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Most Important Questions · original practice

Class 9 Mathematics Most Important Questions

Most Important Questions for Class 9 Mathematics. Try first, then reveal the answer. These are exam-oriented practice items, not copied board papers.

Practice questions aligned to NCERT topics used in CBSE classrooms. These are original exam-oriented questions for revision — not official CBSE board papers and not a guarantee of any exam question. Always match the textbook issued by your school and the latest PDFs on ncert.nic.in and cbseacademic.nic.in.

Answers opened: 0

Practice set

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Number Systems in the chapter Number Systems.

  • A. A real number is rational or irrational
  • B. CBSE often tests a concept by asking a daily-life example from the same chapter
  • C. √2 is irrational
  • D. Number Systems is an NCERT chapter taught in CBSE Class 9 Mathematics
Answer

A. A real number is rational or irrational

Explanation

A real number is rational or irrational. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Number Systems · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Number Systems in the chapter Number Systems.

  • A. Mix MCQs with short answers so you remember both facts and explanations from Number Systems
  • B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • C. Laws of exponents for real numbers as in the chapter
  • D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer

C. Laws of exponents for real numbers as in the chapter

Explanation

Laws of exponents for real numbers as in the chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Number Systems · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Number Systems.

  • A. This idea is not part of the NCERT chapter
  • B. A real number is rational or irrational
  • C. CBSE often tests a concept by asking a daily-life example from the same chapter
  • D. Write three points from Number Systems in your own words; that is enough for a short-answer start
Answer

C. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Number Systems · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Number Systems.

  • A. Laws of exponents for real numbers as in the chapter
  • B. The textbook says the opposite of this statement
  • C. Mix MCQs with short answers so you remember both facts and explanations from Number Systems
  • D. Terminating or repeating decimals are rational
Answer

C. Mix MCQs with short answers so you remember both facts and explanations from Number Systems

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Number Systems. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Number Systems · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q17MCQ1 markEasyRevision pick

Choose the correct statement related to Number Systems in the chapter Number Systems.

  • A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
  • C. Every real number corresponds to a point on the number line
  • D. √2 is irrational
Answer

C. Every real number corresponds to a point on the number line

Explanation

Every real number corresponds to a point on the number line. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Number Systems · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q413 Mark3 marksModerateRevision pick

Explain Number Systems in about three points, with one example.

Answer

Terminating or repeating decimals are rational. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Number Systems · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Polynomials in the chapter Polynomials.

  • A. A polynomial in x is a0 + a1x + … + anx^n
  • B. CBSE often tests a concept by asking a daily-life example from the same chapter
  • C. Polynomials is an NCERT chapter taught in CBSE Class 9 Mathematics
  • D. A linear polynomial has degree 1
Answer

A. A polynomial in x is a0 + a1x + … + anx^n

Explanation

A polynomial in x is a0 + a1x + … + anx^n. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Polynomials · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Polynomials in the chapter Polynomials.

  • A. Zero of p(x) is a value where p(a)=0
  • B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • C. Mix MCQs with short answers so you remember both facts and explanations from Polynomials
  • D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer

A. Zero of p(x) is a value where p(a)=0

Explanation

Zero of p(x) is a value where p(a)=0. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Polynomials · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Polynomials.

  • A. A polynomial in x is a0 + a1x + … + anx^n
  • B. This idea is not part of the NCERT chapter
  • C. CBSE often tests a concept by asking a daily-life example from the same chapter
  • D. Write three points from Polynomials in your own words; that is enough for a short-answer start
Answer

C. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Polynomials · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Polynomials.

  • A. Mix MCQs with short answers so you remember both facts and explanations from Polynomials
  • B. The textbook says the opposite of this statement
  • C. Degree is the highest power with non-zero coefficient
  • D. Zero of p(x) is a value where p(a)=0
Answer

A. Mix MCQs with short answers so you remember both facts and explanations from Polynomials

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Polynomials. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Polynomials · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q17MCQ1 markEasyRevision pick

Choose the correct statement related to Remainder theorem in the chapter Polynomials.

  • A. A linear polynomial has degree 1
  • B. Remainder theorem: remainder is p(a) when divided by x−a
  • C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer

B. Remainder theorem: remainder is p(a) when divided by x−a

Explanation

Remainder theorem: remainder is p(a) when divided by x−a. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Polynomials · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q413 Mark3 marksModerateRevision pick

Explain Polynomials in about three points, with one example.

Answer

Degree is the highest power with non-zero coefficient. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Polynomials · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Coordinate Geometry in the chapter Coordinate Geometry.

  • A. CBSE often tests a concept by asking a daily-life example from the same chapter
  • B. Coordinate Geometry is an NCERT chapter taught in CBSE Class 9 Mathematics
  • C. A point is (x, y)
  • D. Quadrants I–IV
Answer

C. A point is (x, y)

Explanation

A point is (x, y). The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Coordinate Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Coordinate Geometry in the chapter Coordinate Geometry.

  • A. Plotting is the skill
  • B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • C. Mix MCQs with short answers so you remember both facts and explanations from Coordinate Geometry
  • D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer

A. Plotting is the skill

Explanation

Plotting is the skill. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Coordinate Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Coordinate Geometry.

  • A. A point is (x, y)
  • B. This idea is not part of the NCERT chapter
  • C. CBSE often tests a concept by asking a daily-life example from the same chapter
  • D. Write three points from Coordinate Geometry in your own words; that is enough for a short-answer start
Answer

C. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Coordinate Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Coordinate Geometry.

  • A. Plotting is the skill
  • B. The textbook says the opposite of this statement
  • C. The origin is (0,0)
  • D. Mix MCQs with short answers so you remember both facts and explanations from Coordinate Geometry
Answer

D. Mix MCQs with short answers so you remember both facts and explanations from Coordinate Geometry

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Coordinate Geometry. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Coordinate Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q17MCQ1 markEasyRevision pick

Choose the correct statement related to Coordinate Geometry in the chapter Coordinate Geometry.

  • A. Quadrants I–IV
  • B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
  • D. Abscissa is x; ordinate is y
Answer

D. Abscissa is x; ordinate is y

Explanation

Abscissa is x; ordinate is y. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Coordinate Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q413 Mark3 marksModerateRevision pick

Explain Coordinate Geometry in about three points, with one example.

Answer

The origin is (0,0). Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Coordinate Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Linear Equations in Two Variables in the chapter Linear Equations in Two Variables.

  • A. CBSE often tests a concept by asking a daily-life example from the same chapter
  • B. A linear equation in two variables has infinitely many solutions
  • C. x=0 and y=0 intercepts
  • D. Linear Equations in Two Variables is an NCERT chapter taught in CBSE Class 9 Mathematics
Answer

B. A linear equation in two variables has infinitely many solutions

Explanation

A linear equation in two variables has infinitely many solutions. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Linear Equations in Two Variables · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Real-life in the chapter Linear Equations in Two Variables.

  • A. Mix MCQs with short answers so you remember both facts and explanations from Linear Equations in Two Variables
  • B. Real-life: cost and quantity
  • C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer

B. Real-life: cost and quantity

Explanation

Real-life: cost and quantity. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Linear Equations in Two Variables · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Linear Equations in Two Variables.

  • A. This idea is not part of the NCERT chapter
  • B. Write three points from Linear Equations in Two Variables in your own words; that is enough for a short-answer start
  • C. A linear equation in two variables has infinitely many solutions
  • D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer

D. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Linear Equations in Two Variables · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Linear Equations in Two Variables.

  • A. The textbook says the opposite of this statement
  • B. The graph is a straight line
  • C. Mix MCQs with short answers so you remember both facts and explanations from Linear Equations in Two Variables
  • D. Real-life: cost and quantity
Answer

C. Mix MCQs with short answers so you remember both facts and explanations from Linear Equations in Two Variables

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Linear Equations in Two Variables. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Linear Equations in Two Variables · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q17MCQ1 markEasyRevision pick

Choose the correct statement related to Linear Equations in Two Variables in the chapter Linear Equations in Two Variables.

  • A. x=0 and y=0 intercepts
  • B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
  • D. A pair of values that satisfy is a solution
Answer

D. A pair of values that satisfy is a solution

Explanation

A pair of values that satisfy is a solution. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Linear Equations in Two Variables · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q413 Mark3 marksModerateRevision pick

Explain Linear Equations in Two Variables in about three points, with one example.

Answer

The graph is a straight line. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Linear Equations in Two Variables · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Introduction to Euclid’s Geometry in the chapter Introduction to Euclid’s Geometry.

  • A. CBSE often tests a concept by asking a daily-life example from the same chapter
  • B. Introduction to Euclid’s Geometry is an NCERT chapter taught in CBSE Class 9 Mathematics
  • C. Definitions, axioms, theorems
  • D. Axioms are assumed true
Answer

D. Axioms are assumed true

Explanation

Axioms are assumed true. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Introduction to Euclid’s Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Introduction to Euclid’s Geometry in the chapter Introduction to Euclid’s Geometry.

  • A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
  • C. Playfair’s version of the parallel postulate is often discussed
  • D. Mix MCQs with short answers so you remember both facts and explanations from Introduction to Euclid’s Geometry
Answer

C. Playfair’s version of the parallel postulate is often discussed

Explanation

Playfair’s version of the parallel postulate is often discussed. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Introduction to Euclid’s Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Introduction to Euclid’s Geometry.

  • A. This idea is not part of the NCERT chapter
  • B. Write three points from Introduction to Euclid’s Geometry in your own words; that is enough for a short-answer start
  • C. Axioms are assumed true
  • D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer

D. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Introduction to Euclid’s Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Introduction to Euclid’s Geometry.

  • A. Playfair’s version of the parallel postulate is often discussed
  • B. Mix MCQs with short answers so you remember both facts and explanations from Introduction to Euclid’s Geometry
  • C. The textbook says the opposite of this statement
  • D. Euclid’s postulates include a unique line through two points
Answer

B. Mix MCQs with short answers so you remember both facts and explanations from Introduction to Euclid’s Geometry

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Introduction to Euclid’s Geometry. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Introduction to Euclid’s Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q17MCQ1 markEasyRevision pick

Choose the correct statement related to Introduction to Euclid’s Geometry in the chapter Introduction to Euclid’s Geometry.

  • A. Definitions, axioms, theorems
  • B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
  • D. A theorem is proved
Answer

D. A theorem is proved

Explanation

A theorem is proved. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Introduction to Euclid’s Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q413 Mark3 marksModerateRevision pick

Explain Introduction to Euclid’s Geometry in about three points, with one example.

Answer

Euclid’s postulates include a unique line through two points. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Introduction to Euclid’s Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Lines and Angles in the chapter Lines and Angles.

  • A. CBSE often tests a concept by asking a daily-life example from the same chapter
  • B. Adjacent, vertically opposite, linear pair
  • C. Lines and Angles is an NCERT chapter taught in CBSE Class 9 Mathematics
  • D. Corresponding angles are equal if lines are parallel
Answer

B. Adjacent, vertically opposite, linear pair

Explanation

Adjacent, vertically opposite, linear pair. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Lines and Angles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Lines and Angles in the chapter Lines and Angles.

  • A. Sum of angles on a straight line is 180°
  • B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
  • D. Mix MCQs with short answers so you remember both facts and explanations from Lines and Angles
Answer

A. Sum of angles on a straight line is 180°

Explanation

Sum of angles on a straight line is 180°. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Lines and Angles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Lines and Angles.

  • A. Adjacent, vertically opposite, linear pair
  • B. This idea is not part of the NCERT chapter
  • C. Write three points from Lines and Angles in your own words; that is enough for a short-answer start
  • D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer

D. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Lines and Angles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Lines and Angles.

  • A. Vertically opposite angles are equal
  • B. Sum of angles on a straight line is 180°
  • C. The textbook says the opposite of this statement
  • D. Mix MCQs with short answers so you remember both facts and explanations from Lines and Angles
Answer

D. Mix MCQs with short answers so you remember both facts and explanations from Lines and Angles

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Lines and Angles. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Lines and Angles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q17MCQ1 markEasyRevision pick

Choose the correct statement related to Lines and Angles in the chapter Lines and Angles.

  • A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • B. Alternate interior angles
  • C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
  • D. Corresponding angles are equal if lines are parallel
Answer

B. Alternate interior angles

Explanation

Alternate interior angles. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Lines and Angles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q413 Mark3 marksModerateRevision pick

Explain Lines and Angles in about three points, with one example.

Answer

Vertically opposite angles are equal. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Lines and Angles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Triangles in the chapter Triangles.

  • A. CBSE often tests a concept by asking a daily-life example from the same chapter
  • B. Triangles is an NCERT chapter taught in CBSE Class 9 Mathematics
  • C. Triangle inequality: sum of two sides > third
  • D. SSS, SAS, ASA, RHS congruence
Answer

D. SSS, SAS, ASA, RHS congruence

Explanation

SSS, SAS, ASA, RHS congruence. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Triangles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Triangles in the chapter Triangles.

  • A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • B. CPCT after congruence
  • C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
  • D. Mix MCQs with short answers so you remember both facts and explanations from Triangles
Answer

B. CPCT after congruence

Explanation

CPCT after congruence. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Triangles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Triangles.

  • A. This idea is not part of the NCERT chapter
  • B. Write three points from Triangles in your own words; that is enough for a short-answer start
  • C. SSS, SAS, ASA, RHS congruence
  • D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer

D. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Triangles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Triangles.

  • A. Mix MCQs with short answers so you remember both facts and explanations from Triangles
  • B. The textbook says the opposite of this statement
  • C. CPCT after congruence
  • D. Angles opposite equal sides are equal
Answer

A. Mix MCQs with short answers so you remember both facts and explanations from Triangles

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Triangles. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Triangles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q17MCQ1 markEasyRevision pick

Choose the correct statement related to Triangles in the chapter Triangles.

  • A. Triangle inequality: sum of two sides > third
  • B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
  • D. Exterior angle equals sum of remote interiors
Answer

D. Exterior angle equals sum of remote interiors

Explanation

Exterior angle equals sum of remote interiors. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Triangles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q413 Mark3 marksModerateRevision pick

Explain Triangles in about three points, with one example.

Answer

Angles opposite equal sides are equal. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Triangles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Quadrilaterals in the chapter Quadrilaterals.

  • A. Opposite sides of a parallelogram are equal and parallel
  • B. CBSE often tests a concept by asking a daily-life example from the same chapter
  • C. A quadrilateral is a parallelogram if one pair of opposite sides is equal and parallel
  • D. Quadrilaterals is an NCERT chapter taught in CBSE Class 9 Mathematics
Answer

A. Opposite sides of a parallelogram are equal and parallel

Explanation

Opposite sides of a parallelogram are equal and parallel. The other options mix ideas from nearby topics or reverse the textbook fact.

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Class: Class 9 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Quadrilaterals in the chapter Quadrilaterals.

  • A. Mix MCQs with short answers so you remember both facts and explanations from Quadrilaterals
  • B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • C. Angle sum 360°
  • D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer

C. Angle sum 360°

Explanation

Angle sum 360°. The other options mix ideas from nearby topics or reverse the textbook fact.

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Class: Class 9 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Quadrilaterals.

  • A. Write three points from Quadrilaterals in your own words; that is enough for a short-answer start
  • B. This idea is not part of the NCERT chapter
  • C. Opposite sides of a parallelogram are equal and parallel
  • D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer

D. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

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Class: Class 9 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Quadrilaterals.

  • A. The textbook says the opposite of this statement
  • B. Angle sum 360°
  • C. Diagonals bisect each other
  • D. Mix MCQs with short answers so you remember both facts and explanations from Quadrilaterals
Answer

D. Mix MCQs with short answers so you remember both facts and explanations from Quadrilaterals

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Quadrilaterals. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q17MCQ1 markEasyRevision pick

Choose the correct statement related to Quadrilaterals in the chapter Quadrilaterals.

  • A. Mid-point theorem
  • B. A quadrilateral is a parallelogram if one pair of opposite sides is equal and parallel
  • C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer

A. Mid-point theorem

Explanation

Mid-point theorem. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 9 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q413 Mark3 marksModerateRevision pick

Explain Quadrilaterals in about three points, with one example.

Answer

Diagonals bisect each other. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

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Class: Class 9 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

FAQs

Are these official CBSE board questions?

No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.

Will these questions appear in the board exam?

Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.

Is the chapter list the latest NCERT list?

Yes, the catalog follows current NCERT textbooks used in CBSE schools (including new middle-stage books such as Ganita Prakash and Curiosity). Always match the book issued by your school.

Where are NCERT solutions?

Open the NCERT-style practice link on this subject or chapter. For word-for-word textbook exercise answers, use the NCERT book itself; we do not copy solution keys from other websites.

What is the suggested URL pattern?

Hub /cbse/, then /cbse/class-9/, then subject and chapter slugs.

Why is this a separate URL?

So students searching for “Most Important Questions” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.

Today's 3-step path

Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.

Streak

Next step

After this page, use these three links — do not open a random page.

24/7 Test Series

Timed papers with a scorecard — start any time, then return to a related quiz above.