Most Important Questions for Class 10 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 Fundamental Theorem of Arithmetic in the chapter Real Numbers.
A. A rational p/q in lowest terms has a terminating decimal if q has only 2 and/or 5 as prime factors
B. Fundamental Theorem of Arithmetic (statement)
C. Every composite number can be expressed as a product of primes, unique except for the order of factors
D. Euclid’s algorithm finds HCF by repeated division: HCF(a,b)=HCF(b,a mod b)
Answer
C. Every composite number can be expressed as a product of primes, unique except for the order of factors
Explanation
Every composite number can be expressed as a product of primes, unique except for the order of factors. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 10 · Subject: Mathematics · Chapter: Real Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Irrational numbers in the chapter Real Numbers.
A. Euclid’s algorithm finds HCF
B. HCF × LCM = product of two positive integers
C. √2, √3 and √5 are irrational; they cannot be written as p/q with integers p, q ≠ 0
D. HCF is the product of smallest powers and LCM the product of greatest powers of common primes
Answer
C. √2, √3 and √5 are irrational; they cannot be written as p/q with integers p, q ≠ 0
Explanation
√2, √3 and √5 are irrational; they cannot be written as p/q with integers p, q ≠ 0. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Real Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Real Numbers in the chapter Real Numbers.
A. This idea is not part of the NCERT chapter
B. Terminating decimals: denominator 2^m 5^n after simplifying
C. Fundamental Theorem of Arithmetic (statement)
D. Every composite number can be expressed as a product of primes, unique except for the order of factors
Answer
C. Fundamental Theorem of Arithmetic (statement)
Explanation
Fundamental Theorem of Arithmetic (statement). The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Real Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Real Numbers in the chapter Real Numbers.
A. √2, √3 and √5 are irrational; they cannot be written as p/q with integers p, q ≠ 0
B. The textbook says the opposite of this statement
C. For two positive integers, HCF × LCM equals the product of the numbers
D. Euclid’s algorithm finds HCF
Answer
D. Euclid’s algorithm finds HCF
Explanation
Euclid’s algorithm finds HCF. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Real Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Non-terminating repeating in the chapter Real Numbers.
A. A rational p/q in lowest terms has a terminating decimal if q has only 2 and/or 5 as prime factors
B. HCF × LCM = product of two positive integers
C. If q has a prime factor other than 2 or 5, p/q has a non-terminating repeating decimal
D. HCF is the product of smallest powers and LCM the product of greatest powers of common primes
Answer
C. If q has a prime factor other than 2 or 5, p/q has a non-terminating repeating decimal
Explanation
If q has a prime factor other than 2 or 5, p/q has a non-terminating repeating decimal. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Real Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain HCF and LCM in about three points, with one example.
Answer
For two positive integers, HCF × LCM equals the product of the numbers. 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 10 · Subject: Mathematics · Chapter: Real Numbers · 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. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Polynomials is an NCERT chapter taught in CBSE Class 10 Mathematics
C. A quadratic has at most two zeros
D. Product of zeros = c/a
Answer
C. A quadratic has at most two zeros
Explanation
A quadratic has at most two zeros. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Graph of a quadratic is a parabola
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
B. Graph of a quadratic is a parabola
Explanation
Graph of a quadratic is a parabola. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 10 · 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. This idea is not part of the NCERT chapter
B. A quadratic has at most two zeros
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 10 · 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. Sum of zeros = −b/a
C. Graph of a quadratic is a parabola
D. The textbook says the opposite of this statement
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 10 · Subject: Mathematics · Chapter: Polynomials · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Polynomials in the chapter Polynomials.
A. Product of zeros = c/a
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. Division algorithm as retained
Answer
D. Division algorithm as retained
Explanation
Division algorithm as retained. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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
Sum of zeros = −b/a. 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 10 · Subject: Mathematics · Chapter: Polynomials · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Consistent pair in the chapter Pair of Linear Equations in Two Variables.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Consistent pair: unique or infinitely many solutions
C. a1/a2 = b1/b2 = c1/c2 → infinite
D. Pair of Linear Equations in Two Variables is an NCERT chapter taught in CBSE Class 10 Mathematics
Answer
B. Consistent pair: unique or infinitely many solutions
Explanation
Consistent pair: unique or infinitely many solutions. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Pair of Linear Equations in Two Variables · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Pair of Linear Equations in Two Variables in the chapter Pair of Linear Equations in Two Variables.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Cross-multiplication if your school still teaches it — check syllabus
C. Mix MCQs with short answers so you remember both facts and explanations from Pair of Linear Equations in Two Variables
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
B. Cross-multiplication if your school still teaches it — check syllabus
Explanation
Cross-multiplication if your school still teaches it — check syllabus. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Pair of 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 Pair of Linear Equations in Two Variables.
A. Write three points from Pair of Linear Equations in Two Variables in your own words; that is enough for a short-answer start
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. Consistent pair: unique or infinitely many solutions
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 10 · Subject: Mathematics · Chapter: Pair of 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 Pair of Linear Equations in Two Variables.
A. Inconsistent: no solution
B. Cross-multiplication if your school still teaches it — check syllabus
C. The textbook says the opposite of this statement
D. Mix MCQs with short answers so you remember both facts and explanations from Pair of Linear Equations in Two Variables
Answer
D. Mix MCQs with short answers so you remember both facts and explanations from Pair of Linear Equations in Two Variables
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Pair of Linear Equations in Two Variables. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Pair of Linear Equations in Two Variables · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Pair of Linear Equations in Two Variables in the chapter Pair of Linear Equations in Two Variables.
A. a1/a2 = b1/b2 = c1/c2 → infinite
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. Substitution, elimination
Answer
D. Substitution, elimination
Explanation
Substitution, elimination. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Pair of Linear Equations in Two Variables · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Inconsistent in about three points, with one example.
Answer
Inconsistent: no solution. 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 10 · Subject: Mathematics · Chapter: Pair of Linear Equations in Two Variables · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Quadratic Equations in the chapter Quadratic Equations.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. ax²+bx+c=0, a≠0
C. D>0 two distinct real roots
D. Quadratic Equations is an NCERT chapter taught in CBSE Class 10 Mathematics
Answer
B. ax²+bx+c=0, a≠0
Explanation
ax²+bx+c=0, a≠0. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Quadratic Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Word problems in the chapter Quadratic Equations.
A. Word problems: speed, area, numbers
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 Quadratic Equations
Answer
A. Word problems: speed, area, numbers
Explanation
Word problems: speed, area, numbers. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Quadratic Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Quadratic Equations.
A. ax²+bx+c=0, a≠0
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 Quadratic Equations 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 10 · Subject: Mathematics · Chapter: Quadratic Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Quadratic Equations.
A. The textbook says the opposite of this statement
B. Word problems: speed, area, numbers
C. Mix MCQs with short answers so you remember both facts and explanations from Quadratic Equations
D. Discriminant D = b²−4ac
Answer
C. Mix MCQs with short answers so you remember both facts and explanations from Quadratic Equations
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Quadratic Equations. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Quadratic Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Quadratic Equations in the chapter Quadratic Equations.
A. D>0 two distinct real roots
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. Quadratic formula
Answer
D. Quadratic formula
Explanation
Quadratic formula. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Quadratic Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Quadratic Equations in about three points, with one example.
Answer
Discriminant D = b²−4ac. 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 10 · Subject: Mathematics · Chapter: Quadratic Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Arithmetic Progressions in the chapter Arithmetic Progressions.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Arithmetic Progressions is an NCERT chapter taught in CBSE Class 10 Mathematics
C. a, a+d, a+2d, …
D. Sn = n/2 [2a+(n−1)d]
Answer
C. a, a+d, a+2d, …
Explanation
a, a+d, a+2d, …. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Arithmetic Progressions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Arithmetic Progressions in the chapter Arithmetic Progressions.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Mix MCQs with short answers so you remember both facts and explanations from Arithmetic Progressions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Apply to real sequences
Answer
D. Apply to real sequences
Explanation
Apply to real sequences. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Arithmetic Progressions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Arithmetic Progressions.
A. a, a+d, a+2d, …
B. This idea is not part of the NCERT chapter
C. Write three points from Arithmetic Progressions 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 10 · Subject: Mathematics · Chapter: Arithmetic Progressions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Arithmetic Progressions.
A. Mix MCQs with short answers so you remember both facts and explanations from Arithmetic Progressions
B. The textbook says the opposite of this statement
C. an = a+(n−1)d
D. Apply to real sequences
Answer
A. Mix MCQs with short answers so you remember both facts and explanations from Arithmetic Progressions
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Arithmetic Progressions. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Arithmetic Progressions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Arithmetic Progressions in the chapter Arithmetic Progressions.
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. Sn = n/2 [2a+(n−1)d]
D. d can be negative
Answer
D. d can be negative
Explanation
d can be negative. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Arithmetic Progressions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Arithmetic Progressions in about three points, with one example.
Answer
an = a+(n−1)d. 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 10 · Subject: Mathematics · Chapter: Arithmetic Progressions · 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. AA, SSS, SAS similarity
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Triangles is an NCERT chapter taught in CBSE Class 10 Mathematics
D. Areas of similar triangles ratio = square of sides ratio
Answer
A. AA, SSS, SAS similarity
Explanation
AA, SSS, SAS similarity. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Mix MCQs with short answers so you remember both facts and explanations from Triangles
D. Converse of Pythagoras
Answer
D. Converse of Pythagoras
Explanation
Converse of Pythagoras. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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. AA, SSS, SAS similarity
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 10 · 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. Basic Proportionality Theorem (Thales) — statement and application
C. The textbook says the opposite of this statement
D. Converse of Pythagoras
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 10 · 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. Areas of similar triangles ratio = square of sides ratio
B. Pythagoras theorem
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. Pythagoras theorem
Explanation
Pythagoras theorem. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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
Basic Proportionality Theorem (Thales) — statement and application. 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 10 · Subject: Mathematics · Chapter: Triangles · 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. Mid-point is section 1:1
C. Distance formula
D. Coordinate Geometry is an NCERT chapter taught in CBSE Class 10 Mathematics
Answer
C. Distance formula
Explanation
Distance formula. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Mix MCQs with short answers so you remember both facts and explanations from Coordinate Geometry
C. Collinear if area 0
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Collinear if area 0
Explanation
Collinear if area 0. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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. Distance formula
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 10 · 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. Section formula
B. The textbook says the opposite of this statement
C. Mix MCQs with short answers so you remember both facts and explanations from Coordinate Geometry
D. Collinear if area 0
Answer
C. 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 10 · 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. Area of triangle from coordinates
B. Mid-point is section 1:1
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. Area of triangle from coordinates
Explanation
Area of triangle from coordinates. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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
Section formula. 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 10 · Subject: Mathematics · Chapter: Coordinate Geometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Introduction to Trigonometry in the chapter Introduction to Trigonometry.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. sin, cos, tan of acute angles
C. Introduction to Trigonometry is an NCERT chapter taught in CBSE Class 10 Mathematics
D. tanθ = sinθ/cosθ
Answer
B. sin, cos, tan of acute angles
Explanation
sin, cos, tan of acute angles. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Introduction to Trigonometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Introduction to Trigonometry in the chapter Introduction to Trigonometry.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Mix MCQs with short answers so you remember both facts and explanations from Introduction to Trigonometry
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. cot, sec, csc as reciprocals
Answer
D. cot, sec, csc as reciprocals
Explanation
cot, sec, csc as reciprocals. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 10 · Subject: Mathematics · Chapter: Introduction to Trigonometry · 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 Trigonometry.
A. This idea is not part of the NCERT chapter
B. Write three points from Introduction to Trigonometry in your own words; that is enough for a short-answer start
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. sin, cos, tan of acute angles
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.
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Class: Class 10 · Subject: Mathematics · Chapter: Introduction to Trigonometry · 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 Trigonometry.
A. The textbook says the opposite of this statement
B. cot, sec, csc as reciprocals
C. Mix MCQs with short answers so you remember both facts and explanations from Introduction to Trigonometry
D. sin²θ+cos²θ=1
Answer
C. Mix MCQs with short answers so you remember both facts and explanations from Introduction to Trigonometry
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Introduction to Trigonometry. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 10 · Subject: Mathematics · Chapter: Introduction to Trigonometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Introduction to Trigonometry in the chapter Introduction to Trigonometry.
A. Standard angles 0°, 30°, 45°, 60°, 90°
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. tanθ = sinθ/cosθ
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Standard angles 0°, 30°, 45°, 60°, 90°
Explanation
Standard angles 0°, 30°, 45°, 60°, 90°. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 10 · Subject: Mathematics · Chapter: Introduction to Trigonometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Introduction to Trigonometry in about three points, with one example.
Answer
sin²θ+cos²θ=1. 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 10 · Subject: Mathematics · Chapter: Introduction to Trigonometry · 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-10/, 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.
