1 Mark 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.
Meta
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.
Meta
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.
Meta
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.
Meta
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).
Q6MCQ1 markEasy
Choose the correct statement related to Euclid’s algorithm in the chapter Real Numbers.
A. Euclid’s algorithm finds HCF by repeated division: HCF(a,b)=HCF(b,a mod b)
B. Terminating decimals: denominator 2^m 5^n after simplifying
C. Real numbers include all rationals and irrationals and fill the number line
D. This idea is not part of the NCERT chapter
Answer
A. Euclid’s algorithm finds HCF by repeated division: HCF(a,b)=HCF(b,a mod b)
Explanation
Euclid’s algorithm finds HCF by repeated division: HCF(a,b)=HCF(b,a mod b). 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).
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).
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.
Meta
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.
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.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Polynomials · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 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. Write three points from Polynomials in your own words; that is enough for a short-answer start
C. Division algorithm as retained
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
A. Polynomials is an NCERT chapter taught in CBSE Class 10 Mathematics
Explanation
Polynomials is an NCERT chapter taught in CBSE Class 10 Mathematics. 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).
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).
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.
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).
Q6MCQ1 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. Substitution, elimination
B. Pair of Linear Equations in Two Variables is an NCERT chapter taught in CBSE Class 10 Mathematics
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Write three points from Pair of Linear Equations in Two Variables in your own words; that is enough for a short-answer start
Answer
B. Pair of Linear Equations in Two Variables is an NCERT chapter taught in CBSE Class 10 Mathematics
Explanation
Pair of Linear Equations in Two Variables is an NCERT chapter taught in CBSE Class 10 Mathematics. 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).
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).
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.
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).
Q6MCQ1 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. Write three points from Quadratic Equations 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. Quadratic formula
Answer
A. Quadratic Equations is an NCERT chapter taught in CBSE Class 10 Mathematics
Explanation
Quadratic Equations is an NCERT chapter taught in CBSE Class 10 Mathematics. 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).
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).
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.
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).
Q6MCQ1 markEasy
Choose the correct statement related to Arithmetic Progressions in the chapter Arithmetic Progressions.
A. Write three points from Arithmetic Progressions in your own words; that is enough for a short-answer start
B. Arithmetic Progressions is an NCERT chapter taught in CBSE Class 10 Mathematics
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. d can be negative
Answer
B. Arithmetic Progressions is an NCERT chapter taught in CBSE Class 10 Mathematics
Explanation
Arithmetic Progressions is an NCERT chapter taught in CBSE Class 10 Mathematics. 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).
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.
Meta
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).
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).
Q6MCQ1 markEasy
Choose the correct statement related to Triangles in the chapter Triangles.
A. Triangles is an NCERT chapter taught in CBSE Class 10 Mathematics
B. Write three points from Triangles in your own words; that is enough for a short-answer start
C. Pythagoras theorem
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
A. Triangles is an NCERT chapter taught in CBSE Class 10 Mathematics
Explanation
Triangles is an NCERT chapter taught in CBSE Class 10 Mathematics. 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).
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).
Q6MCQ1 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. Area of triangle from coordinates
C. Write three points from Coordinate Geometry in your own words; that is enough for a short-answer start
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
A. Coordinate Geometry is an NCERT chapter taught in CBSE Class 10 Mathematics
Explanation
Coordinate Geometry is an NCERT chapter taught in CBSE Class 10 Mathematics. 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.
Meta
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.
Meta
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.
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.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Introduction to Trigonometry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Introduction to Trigonometry in the chapter Introduction to Trigonometry.
A. Standard angles 0°, 30°, 45°, 60°, 90°
B. Introduction to Trigonometry is an NCERT chapter taught in CBSE Class 10 Mathematics
C. Write three points from Introduction to Trigonometry in your own words; that is enough for a short-answer start
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
B. Introduction to Trigonometry is an NCERT chapter taught in CBSE Class 10 Mathematics
Explanation
Introduction to Trigonometry is an NCERT chapter taught in CBSE Class 10 Mathematics. 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).
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 “1 Mark 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.
