Important Formulas 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.
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).
Q2MCQ1 markEasy
Choose the correct statement related to HCF and LCM in the chapter Real Numbers.
A. HCF × LCM = product of two positive integers
B. HCF is the product of smallest powers and LCM the product of greatest powers of common primes
C. For two positive integers, HCF × LCM equals the product of the numbers
D. If q has a prime factor other than 2 or 5, p/q has a non-terminating repeating decimal
Answer
C. For two positive integers, HCF × LCM equals the product of the numbers
Explanation
For two positive integers, HCF × LCM equals the product of the numbers. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Terminating decimal in the chapter Real Numbers.
A. Terminating decimals: denominator 2^m 5^n after simplifying
B. Real numbers include all rationals and irrationals and fill the number line
C. √2, √3 and √5 are irrational; they cannot be written as p/q with integers p, q ≠ 0
D. A rational p/q in lowest terms has a terminating decimal if q has only 2 and/or 5 as prime factors
Answer
D. A rational p/q in lowest terms has a terminating decimal if q has only 2 and/or 5 as prime factors
Explanation
A rational p/q in lowest terms has a terminating decimal if q has only 2 and/or 5 as prime 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).
Q4MCQ1 markEasy
Choose the correct statement related to Non-terminating repeating in the chapter Real Numbers.
A. Euclid’s algorithm finds HCF by repeated division: HCF(a,b)=HCF(b,a mod b)
B. Fundamental Theorem of Arithmetic (statement)
C. √2, √3, √5 are irrational
D. If q has a prime factor other than 2 or 5, p/q has a non-terminating repeating decimal
Answer
D. 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.
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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.
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Class: Class 10 · 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. Sum of zeros = −b/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
A. Sum of zeros = −b/a
Explanation
Sum of zeros = −b/a. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Polynomials in the chapter Polynomials.
A. Graph of a quadratic is a parabola
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Product of zeros = c/a
D. Write three points from Polynomials in your own words; that is enough for a short-answer start
Answer
C. Product of zeros = c/a
Explanation
Product of zeros = c/a. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Polynomials in the chapter Polynomials.
A. Polynomials is an NCERT chapter taught in CBSE Class 10 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. 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.
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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.
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Class: Class 10 · Subject: Mathematics · Chapter: Pair of Linear Equations in Two Variables · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Inconsistent in the chapter Pair of Linear Equations in Two Variables.
A. Substitution, elimination
B. Inconsistent: no solution
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. Inconsistent: no solution
Explanation
Inconsistent: no solution. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Pair of Linear Equations in Two Variables in the chapter Pair of Linear Equations in Two Variables.
A. Cross-multiplication if your school still teaches it — check syllabus
B. Write three points from Pair of Linear Equations in Two Variables 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. a1/a2 = b1/b2 = c1/c2 → infinite
Answer
D. a1/a2 = b1/b2 = c1/c2 → infinite
Explanation
a1/a2 = b1/b2 = c1/c2 → infinite. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Pair of Linear Equations in Two Variables in the chapter Pair of Linear Equations in Two Variables.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Substitution, elimination
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Pair of Linear Equations in Two Variables is an NCERT chapter taught in CBSE Class 10 Mathematics
Answer
B. Substitution, elimination
Explanation
Substitution, elimination. The other options mix ideas from nearby topics or reverse the textbook fact.
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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.
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Class: Class 10 · Subject: Mathematics · Chapter: Quadratic Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Quadratic Equations in the chapter Quadratic Equations.
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. Discriminant D = b²−4ac
D. Quadratic formula
Answer
C. Discriminant D = b²−4ac
Explanation
Discriminant D = b²−4ac. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Quadratic Equations in the chapter Quadratic Equations.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Write three points from Quadratic Equations in your own words; that is enough for a short-answer start
C. D>0 two distinct real roots
D. Word problems: speed, area, numbers
Answer
C. D>0 two distinct real roots
Explanation
D>0 two distinct real roots. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Quadratic Equations in the chapter Quadratic Equations.
A. Quadratic Equations is an NCERT chapter taught in CBSE Class 10 Mathematics
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Quadratic formula
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Quadratic formula
Explanation
Quadratic formula. The other options mix ideas from nearby topics or reverse the textbook fact.
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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.
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Class: Class 10 · Subject: Mathematics · Chapter: Arithmetic Progressions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Arithmetic Progressions in the chapter Arithmetic Progressions.
A. an = a+(n−1)d
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. d can be negative
Answer
A. an = a+(n−1)d
Explanation
an = a+(n−1)d. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Arithmetic Progressions in the chapter Arithmetic Progressions.
A. Sn = n/2 [2a+(n−1)d]
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Arithmetic Progressions in your own words; that is enough for a short-answer start
D. Apply to real sequences
Answer
A. Sn = n/2 [2a+(n−1)d]
Explanation
Sn = n/2 [2a+(n−1)d]. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Arithmetic Progressions in the chapter Arithmetic Progressions.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. d can be negative
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Arithmetic Progressions is an NCERT chapter taught in CBSE Class 10 Mathematics
Answer
B. d can be negative
Explanation
d can be negative. The other options mix ideas from nearby topics or reverse the textbook fact.
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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).
Q2MCQ1 markEasy
Choose the correct statement related to Triangles in the chapter Triangles.
A. Basic Proportionality Theorem (Thales) — statement and application
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. Pythagoras theorem
Answer
A. Basic Proportionality Theorem (Thales) — statement and application
Explanation
Basic Proportionality Theorem (Thales) — statement and application. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 10 · Subject: Mathematics · Chapter: Triangles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Triangles in the chapter Triangles.
A. Areas of similar triangles ratio = square of sides ratio
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Converse of Pythagoras
D. Write three points from Triangles in your own words; that is enough for a short-answer start
Answer
A. Areas of similar triangles ratio = square of sides ratio
Explanation
Areas of similar triangles ratio = square of sides ratio. 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).
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. Pythagoras theorem
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Triangles is an NCERT chapter taught in CBSE Class 10 Mathematics
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).
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).
Q2MCQ1 markEasy
Choose the correct statement related to Coordinate Geometry in the chapter Coordinate Geometry.
A. Area of triangle from coordinates
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. Section formula
Answer
D. Section formula
Explanation
Section 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).
Q3MCQ1 markEasy
Choose the correct statement related to Mid-point is section 1 in the chapter Coordinate Geometry.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Mid-point is section 1:1
C. Write three points from Coordinate Geometry in your own words; that is enough for a short-answer start
D. Collinear if area 0
Answer
B. Mid-point is section 1:1
Explanation
Mid-point is section 1:1. 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).
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 10 Mathematics
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Area of triangle from coordinates
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. 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).
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.
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Class: Class 10 · Subject: Mathematics · Chapter: Introduction to Trigonometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Introduction to Trigonometry in the chapter Introduction to Trigonometry.
A. sin²θ+cos²θ=1
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. Standard angles 0°, 30°, 45°, 60°, 90°
Answer
A. sin²θ+cos²θ=1
Explanation
sin²θ+cos²θ=1. 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).
Q3MCQ1 markEasy
Choose the correct statement related to Introduction to Trigonometry in the chapter Introduction to Trigonometry.
A. cot, sec, csc as reciprocals
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Introduction to Trigonometry in your own words; that is enough for a short-answer start
D. tanθ = sinθ/cosθ
Answer
D. tanθ = sinθ/cosθ
Explanation
tanθ = sinθ/cosθ. 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).
Q4MCQ1 markEasy
Choose the correct statement related to Introduction to Trigonometry in the chapter Introduction to Trigonometry.
A. Introduction to Trigonometry is an NCERT chapter taught in CBSE Class 10 Mathematics
B. Standard angles 0°, 30°, 45°, 60°, 90°
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
B. 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).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Some Applications of Trigonometry in the chapter Some Applications of Trigonometry.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Some Applications of Trigonometry is an NCERT chapter taught in CBSE Class 10 Mathematics
C. Line of sight
D. A right triangle model
Answer
C. Line of sight
Explanation
Line of sight. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Some Applications of Trigonometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Some Applications of Trigonometry in the chapter Some Applications of Trigonometry.
A. Angle of elevation and depression
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. Draw a figure first
Answer
A. Angle of elevation and depression
Explanation
Angle of elevation and depression. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Some Applications of Trigonometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Some Applications of Trigonometry in the chapter Some Applications of Trigonometry.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. A right triangle model
C. Write three points from Some Applications of Trigonometry in your own words; that is enough for a short-answer start
D. Use tan more often than sin/cos in tower problems
Answer
B. A right triangle model
Explanation
A right triangle model. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Some Applications of Trigonometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Some Applications of Trigonometry in the chapter Some Applications of Trigonometry.
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. Draw a figure first
D. Some Applications of Trigonometry is an NCERT chapter taught in CBSE Class 10 Mathematics
Answer
C. Draw a figure first
Explanation
Draw a figure first. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Some Applications of Trigonometry · 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 10 Mathematics
C. Number of tangents from a point
D. Tangent ⊥ radius at point of contact
Answer
D. Tangent ⊥ radius at point of contact
Explanation
Tangent ⊥ radius at point of contact. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 10 · 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. Two tangents from an external point are equal
B. Alternate segment if in your book
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. Two tangents from an external point are equal
Explanation
Two tangents from an external point are equal. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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. Write three points from Circles 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. Number of tangents from a point
D. Contact point
Answer
C. Number of tangents from a point
Explanation
Number of tangents from a point. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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. Circles is an NCERT chapter taught in CBSE Class 10 Mathematics
C. Alternate segment if in your book
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Alternate segment if in your book
Explanation
Alternate segment if in your book. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Circles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Areas Related to Circles in the chapter Areas Related to Circles.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Sector area = (θ/360)×πr²
C. Area of circle = πr²
D. Areas Related to Circles is an NCERT chapter taught in CBSE Class 10 Mathematics
Answer
C. Area of circle = πr²
Explanation
Area of circle = πr². The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Areas Related to Circles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Areas Related to Circles in the chapter Areas Related to Circles.
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. Segment = sector − triangle
D. Circumference = 2πr
Answer
D. Circumference = 2πr
Explanation
Circumference = 2πr. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Areas Related to Circles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Areas Related to Circles in the chapter Areas Related to Circles.
A. Length of arc = (θ/360)×2πr
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Sector area = (θ/360)×πr²
D. Write three points from Areas Related to Circles in your own words; that is enough for a short-answer start
Answer
C. Sector area = (θ/360)×πr²
Explanation
Sector area = (θ/360)×πr². The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Areas Related to Circles · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Areas Related to Circles in the chapter Areas Related to Circles.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Areas Related to Circles is an NCERT chapter taught in CBSE Class 10 Mathematics
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Segment = sector − triangle
Answer
D. Segment = sector − triangle
Explanation
Segment = sector − triangle. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Areas Related to Circles · 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, volume of cone, sphere, cylinder, frustum if included
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Surface Areas and Volumes is an NCERT chapter taught in CBSE Class 10 Mathematics
D. Cone V = ⅓ πr²h
Answer
A. CSA, TSA, volume of cone, sphere, cylinder, frustum if included
Explanation
CSA, TSA, volume of cone, sphere, cylinder, frustum if included. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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. Melted and recast problems keep volume constant
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. Volume of sphere = 4/3 πr³
Answer
D. Volume of sphere = 4/3 πr³
Explanation
Volume of sphere = 4/3 πr³. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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. Cone V = ⅓ πr²h
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Surface Areas and Volumes in your own words; that is enough for a short-answer start
D. Use the same π throughout
Answer
A. Cone V = ⅓ πr²h
Explanation
Cone V = ⅓ πr²h. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · 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. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Melted and recast problems keep volume constant
C. Surface Areas and Volumes is an NCERT chapter taught in CBSE Class 10 Mathematics
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
B. Melted and recast problems keep volume constant
Explanation
Melted and recast problems keep volume constant. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Surface Areas and Volumes · 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 “Important Formulas” 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.
