Revision Notes 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).
Q2MCQ1 markEasy
Choose the correct statement related to Number Systems in the chapter Number Systems.
A. Terminating or repeating decimals are rational
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. Every real number corresponds to a point on the number line
Answer
A. Terminating or repeating decimals are rational
Explanation
Terminating or repeating decimals are rational. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Number Systems in the chapter Number Systems.
A. Laws of exponents for real numbers as in the chapter
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. √2 is irrational
D. Write three points from Number Systems in your own words; that is enough for a short-answer start
Answer
C. √2 is irrational
Explanation
√2 is 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).
Q4MCQ1 markEasy
Choose the correct statement related to Number Systems in the chapter Number Systems.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Every real number corresponds to a point on the number line
C. Number Systems is an NCERT chapter taught in CBSE Class 9 Mathematics
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
B. 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).
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).
Q2MCQ1 markEasy
Choose the correct statement related to Polynomials in the chapter Polynomials.
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. Degree is the highest power with non-zero coefficient
D. Remainder theorem: remainder is p(a) when divided by x−a
Answer
C. Degree is the highest power with non-zero coefficient
Explanation
Degree is the highest power with non-zero coefficient. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Polynomials in the chapter Polynomials.
A. Zero of p(x) is a value where p(a)=0
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. A linear polynomial has degree 1
D. Write three points from Polynomials in your own words; that is enough for a short-answer start
Answer
C. A linear polynomial has degree 1
Explanation
A linear polynomial has degree 1. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Remainder theorem in the chapter Polynomials.
A. Polynomials is an NCERT chapter taught in CBSE Class 9 Mathematics
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Remainder theorem: remainder is p(a) when divided by x−a
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. 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).
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).
Q2MCQ1 markEasy
Choose the correct statement related to Coordinate Geometry in the chapter Coordinate Geometry.
A. Abscissa is x; ordinate is y
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. The origin is (0,0)
Answer
D. The origin is (0,0)
Explanation
The origin is (0,0). 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).
Q3MCQ1 markEasy
Choose the correct statement related to Coordinate Geometry in the chapter Coordinate Geometry.
A. Plotting is the skill
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Coordinate Geometry in your own words; that is enough for a short-answer start
D. Quadrants I–IV
Answer
D. Quadrants I–IV
Explanation
Quadrants I–IV. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Coordinate Geometry in the chapter Coordinate Geometry.
A. Coordinate Geometry is an NCERT chapter taught in CBSE Class 9 Mathematics
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. CBSE often tests a concept by asking a daily-life example from the same chapter
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).
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).
Q2MCQ1 markEasy
Choose the correct statement related to Linear Equations in Two Variables in the chapter Linear Equations in Two Variables.
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. A pair of values that satisfy is a solution
D. The graph is a straight line
Answer
D. The graph is a straight line
Explanation
The graph is a straight line. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Linear Equations in Two Variables in the chapter Linear Equations in Two Variables.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Real-life: cost and quantity
C. x=0 and y=0 intercepts
D. Write three points from Linear Equations in Two Variables in your own words; that is enough for a short-answer start
Answer
C. x=0 and y=0 intercepts
Explanation
x=0 and y=0 intercepts. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Linear Equations in Two Variables in the chapter Linear Equations in Two Variables.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Linear Equations in Two Variables is an NCERT chapter taught in CBSE Class 9 Mathematics
C. CBSE often tests a concept by asking a daily-life example from the same chapter
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).
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).
Q2MCQ1 markEasy
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. A theorem is proved
D. Euclid’s postulates include a unique line through two points
Answer
D. Euclid’s postulates include a unique line through two points
Explanation
Euclid’s postulates include a unique line through two points. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Introduction to Euclid’s Geometry in the chapter Introduction to Euclid’s Geometry.
A. Definitions, axioms, theorems
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Introduction to Euclid’s Geometry in your own words; that is enough for a short-answer start
D. Playfair’s version of the parallel postulate is often discussed
Answer
A. Definitions, axioms, theorems
Explanation
Definitions, axioms, theorems. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Introduction to Euclid’s Geometry in the chapter Introduction to Euclid’s Geometry.
A. A theorem is proved
B. Introduction to Euclid’s Geometry is an NCERT chapter taught in CBSE Class 9 Mathematics
C. Use the terms used in the NCERT book; do not replace them with unofficial names
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
A. 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).
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).
Q2MCQ1 markEasy
Choose the correct statement related to Lines and Angles in the chapter Lines and Angles.
A. Alternate interior angles
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. Vertically opposite angles are equal
Answer
D. Vertically opposite angles are equal
Explanation
Vertically opposite angles are equal. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Lines and Angles in the chapter Lines and Angles.
A. Write three points from Lines and Angles in your own words; that is enough for a short-answer start
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Sum of angles on a straight line is 180°
D. Corresponding angles are equal if lines are parallel
Answer
D. Corresponding angles are equal if lines are parallel
Explanation
Corresponding angles are equal if lines are parallel. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Lines and Angles in the chapter Lines and Angles.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Lines and Angles is an NCERT chapter taught in CBSE Class 9 Mathematics
C. Alternate interior angles
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. 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).
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).
Q2MCQ1 markEasy
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. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Exterior angle equals sum of remote interiors
D. Angles opposite equal sides are equal
Answer
D. Angles opposite equal sides are equal
Explanation
Angles opposite equal sides are equal. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Triangle inequality in the chapter Triangles.
A. Triangle inequality: sum of two sides > third
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Triangles in your own words; that is enough for a short-answer start
D. CPCT after congruence
Answer
A. Triangle inequality: sum of two sides > third
Explanation
Triangle inequality: sum of two sides > third. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Triangles in the chapter Triangles.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Triangles is an NCERT chapter taught in CBSE Class 9 Mathematics
C. Exterior angle equals sum of remote interiors
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. 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).
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.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Quadrilaterals in the chapter Quadrilaterals.
A. Mid-point theorem
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. Diagonals bisect each other
Answer
D. Diagonals bisect each other
Explanation
Diagonals bisect each other. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Quadrilaterals in the chapter Quadrilaterals.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Write three points from Quadrilaterals in your own words; that is enough for a short-answer start
C. A quadrilateral is a parallelogram if one pair of opposite sides is equal and parallel
D. Angle sum 360°
Answer
C. A quadrilateral is a parallelogram if one pair of opposite sides is equal and parallel
Explanation
A quadrilateral is a parallelogram if one pair of opposite sides is equal and parallel. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Quadrilaterals in the chapter Quadrilaterals.
A. Mid-point theorem
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Quadrilaterals is an NCERT chapter taught in CBSE Class 9 Mathematics
D. CBSE often tests a concept by asking a daily-life example from the same chapter
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).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Circles in the chapter Circles.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Circles is an NCERT chapter taught in CBSE Class 9 Mathematics
C. Equal chords are equidistant from the centre
D. Angle in a semicircle is 90°
Answer
C. Equal chords are equidistant from the centre
Explanation
Equal chords are equidistant from the centre. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Circles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Circles in the chapter Circles.
A. Perpendicular from centre to a chord bisects the chord
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. Angles in the same segment are equal
Answer
A. Perpendicular from centre to a chord bisects the chord
Explanation
Perpendicular from centre to a chord bisects the chord. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Circles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Circles in the chapter Circles.
A. Angle in a semicircle is 90°
B. Write three points from Circles in your own words; that is enough for a short-answer start
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Cyclic quadrilateral: opposite angles sum to 180°
Answer
A. Angle in a semicircle is 90°
Explanation
Angle in a semicircle is 90°. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Circles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Circles in the chapter Circles.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Angles in the same segment are equal
D. Circles is an NCERT chapter taught in CBSE Class 9 Mathematics
Answer
C. Angles in the same segment are equal
Explanation
Angles in the same segment are equal. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Circles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Heron’s Formula in the chapter Heron’s Formula.
A. Heron’s Formula is an NCERT chapter taught in CBSE Class 9 Mathematics
B. Useful when height is not given
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. s = (a+b+c)/2 is semi-perimeter
Answer
D. s = (a+b+c)/2 is semi-perimeter
Explanation
s = (a+b+c)/2 is semi-perimeter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Heron’s Formula · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Heron’s Formula in the chapter Heron’s Formula.
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. Units are square units
D. Area = √[s(s−a)(s−b)(s−c)]
Answer
D. Area = √[s(s−a)(s−b)(s−c)]
Explanation
Area = √[s(s−a)(s−b)(s−c)]. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Heron’s Formula · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Heron’s Formula in the chapter Heron’s Formula.
A. Useful when height is not given
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Heron’s Formula in your own words; that is enough for a short-answer start
D. Check triangle inequality first
Answer
A. Useful when height is not given
Explanation
Useful when height is not given. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Heron’s Formula · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Heron’s Formula in the chapter Heron’s Formula.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Units are square units
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Heron’s Formula is an NCERT chapter taught in CBSE Class 9 Mathematics
Answer
B. Units are square units
Explanation
Units are square units. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Heron’s Formula · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Surface Areas and Volumes in the chapter Surface Areas and Volumes.
A. CSA, TSA and volume
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Cuboid volume = lwh
D. Surface Areas and Volumes is an NCERT chapter taught in CBSE Class 9 Mathematics
Answer
A. CSA, TSA and volume
Explanation
CSA, TSA and volume. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Surface Areas and Volumes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Surface Areas and Volumes in the chapter Surface Areas and Volumes.
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. Cube TSA = 6a², volume = a³
D. Cylinder volume = πr²h
Answer
C. Cube TSA = 6a², volume = a³
Explanation
Cube TSA = 6a², volume = a³. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Surface Areas and Volumes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Surface Areas and Volumes in the chapter Surface Areas and Volumes.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Keep π as 22/7 or 3.14 as asked
C. Cuboid volume = lwh
D. Write three points from Surface Areas and Volumes in your own words; that is enough for a short-answer start
Answer
C. Cuboid volume = lwh
Explanation
Cuboid volume = lwh. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Surface Areas and Volumes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Surface Areas and Volumes in the chapter Surface Areas and Volumes.
A. Cylinder volume = πr²h
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Surface Areas and Volumes is an NCERT chapter taught in CBSE Class 9 Mathematics
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
A. Cylinder volume = πr²h
Explanation
Cylinder volume = πr²h. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Surface Areas and Volumes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Statistics in the chapter Statistics.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Bar graphs and histograms
C. A frequency distribution organises data
D. Statistics is an NCERT chapter taught in CBSE Class 9 Mathematics
Answer
C. A frequency distribution organises data
Explanation
A frequency distribution organises data. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Statistics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Statistics in the chapter Statistics.
A. Class interval and frequency
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. Mean is the average
Answer
D. Mean is the average
Explanation
Mean is the average. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Statistics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Statistics in the chapter Statistics.
A. Median and mode as in the rationalised chapter
B. Write three points from Statistics in your own words; that is enough for a short-answer start
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Bar graphs and histograms
Answer
D. Bar graphs and histograms
Explanation
Bar graphs and histograms. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Statistics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Statistics in the chapter Statistics.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Statistics is an NCERT chapter taught in CBSE Class 9 Mathematics
C. Class interval and frequency
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Class interval and frequency
Explanation
Class interval and frequency. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Mathematics · Chapter: Statistics · 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 “Revision Notes” 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.
