Important Formulas for Class 8 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.
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Practice set
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to A Square and A Cube in the chapter A Square and A Cube.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. A Square and A Cube is an NCERT chapter taught in CBSE Class 8 Mathematics
C. A square number is n × n
D. Square root is the inverse of squaring for perfect squares
Answer
C. A square number is n × n
Explanation
A square number is n × n. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: A Square and A Cube · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to A Square and A Cube in the chapter A Square and A Cube.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. A cube number is n × n × n
D. 13² = 169
Answer
C. A cube number is n × n × n
Explanation
A cube number is n × n × n. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: A Square and A Cube · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to A Square and A Cube in the chapter A Square and A Cube.
A. Square root is the inverse of squaring for perfect squares
B. Write three points from A Square and A Cube 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. Estimate roots between two consecutive integers
Answer
A. Square root is the inverse of squaring for perfect squares
Explanation
Square root is the inverse of squaring for perfect squares. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: A Square and A Cube · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to A Square and A Cube in the chapter A Square and A Cube.
A. A Square and A Cube is an NCERT chapter taught in CBSE Class 8 Mathematics
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. 13² = 169
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. 13² = 169
Explanation
13² = 169. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: A Square and A Cube · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Power Play in the chapter Power Play.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Standard form is a × 10^k
C. a^m × a^n = a^(m+n)
D. Power Play is an NCERT chapter taught in CBSE Class 8 Mathematics
Answer
C. a^m × a^n = a^(m+n)
Explanation
a^m × a^n = a^(m+n). The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Power Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Power Play in the chapter Power Play.
A. a^m / a^n = a^(m−n) (a ≠ 0)
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. Any non-zero number to the power 0 is 1
Answer
A. a^m / a^n = a^(m−n) (a ≠ 0)
Explanation
a^m / a^n = a^(m−n) (a ≠ 0). The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Power Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Power Play in the chapter Power Play.
A. Standard form is a × 10^k
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Very large and small numbers use exponents
D. Write three points from Power Play in your own words; that is enough for a short-answer start
Answer
A. Standard form is a × 10^k
Explanation
Standard form is a × 10^k. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Power Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Power Play in the chapter Power Play.
A. Power Play is an NCERT chapter taught in CBSE Class 8 Mathematics
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Any non-zero number to the power 0 is 1
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Any non-zero number to the power 0 is 1
Explanation
Any non-zero number to the power 0 is 1. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Power Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to A Story of Numbers in the chapter A Story of Numbers.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. A Story of Numbers is an NCERT chapter taught in CBSE Class 8 Mathematics
C. A rational number can be p/q with q ≠ 0
D. Number systems developed in many civilisations
Answer
C. A rational number can be p/q with q ≠ 0
Explanation
A rational number can be p/q with q ≠ 0. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: A Story of Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to A Story of Numbers in the chapter A Story of Numbers.
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. The number line holds rationals densely
D. Decimals of rationals terminate or repeat
Answer
D. Decimals of rationals terminate or repeat
Explanation
Decimals of rationals terminate or repeat. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: A Story of Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to A Story of Numbers in the chapter A Story of Numbers.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Write three points from A Story of Numbers in your own words; that is enough for a short-answer start
C. Number systems developed in many civilisations
D. Equivalent rationals
Answer
C. Number systems developed in many civilisations
Explanation
Number systems developed in many civilisations. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: A Story of Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to A Story of Numbers in the chapter A Story of Numbers.
A. The number line holds rationals densely
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. A Story of Numbers is an NCERT chapter taught in CBSE Class 8 Mathematics
Answer
A. The number line holds rationals densely
Explanation
The number line holds rationals densely. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: A Story of Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Quadrilaterals in the chapter Quadrilaterals.
A. Sum of interior angles of a quadrilateral is 360°
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Quadrilaterals is an NCERT chapter taught in CBSE Class 8 Mathematics
D. A rectangle has four right angles
Answer
A. Sum of interior angles of a quadrilateral is 360°
Explanation
Sum of interior angles of a quadrilateral is 360°. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Quadrilaterals in the chapter Quadrilaterals.
A. A parallelogram has both pairs of opposite sides parallel
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. A rhombus has all sides equal
Answer
A. A parallelogram has both pairs of opposite sides parallel
Explanation
A parallelogram has both pairs of opposite sides parallel. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Quadrilaterals in the chapter Quadrilaterals.
A. A square is a rectangle and a rhombus
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Quadrilaterals in your own words; that is enough for a short-answer start
D. A rectangle has four right angles
Answer
D. A rectangle has four right angles
Explanation
A rectangle has four right angles. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Quadrilaterals in the chapter Quadrilaterals.
A. Quadrilaterals is an NCERT chapter taught in CBSE Class 8 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. A rhombus has all sides equal
Answer
D. A rhombus has all sides equal
Explanation
A rhombus has all sides equal. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Number Play in the chapter Number Play.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Digital roots as a play idea if the book uses them
C. Divisibility rules save time
D. Number Play is an NCERT chapter taught in CBSE Class 8 Mathematics
Answer
C. Divisibility rules save time
Explanation
Divisibility rules save time. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Number Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Number Play in the chapter Number Play.
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. Odd and even patterns
D. Counter-examples disprove a guess
Answer
C. Odd and even patterns
Explanation
Odd and even patterns. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Number Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Number Play in the chapter Number Play.
A. Digital roots as a play idea if the book uses them
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Work systematically
D. Write three points from Number Play in your own words; that is enough for a short-answer start
Answer
A. Digital roots as a play idea if the book uses them
Explanation
Digital roots as a play idea if the book uses them. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Number Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Number Play in the chapter Number Play.
A. Counter-examples disprove a guess
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Number Play is an NCERT chapter taught in CBSE Class 8 Mathematics
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
A. Counter-examples disprove a guess
Explanation
Counter-examples disprove a guess. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Number Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to We Distribute, Yet Things Multiply in the chapter We Distribute, Yet Things Multiply.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Like terms can be added
C. a(b+c) = ab + ac
D. We Distribute, Yet Things Multiply is an NCERT chapter taught in CBSE Class 8 Mathematics
Answer
C. a(b+c) = ab + ac
Explanation
a(b+c) = ab + ac. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: We Distribute, Yet Things Multiply · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to We Distribute, Yet Things Multiply in the chapter We Distribute, Yet Things Multiply.
A. Factorisation is the reverse of expansion
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. A product of sums
Answer
A. Factorisation is the reverse of expansion
Explanation
Factorisation is the reverse of expansion. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: We Distribute, Yet Things Multiply · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to We Distribute, Yet Things Multiply in the chapter We Distribute, Yet Things Multiply.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Keep the sign of each term
C. Like terms can be added
D. Write three points from We Distribute, Yet Things Multiply in your own words; that is enough for a short-answer start
Answer
C. Like terms can be added
Explanation
Like terms can be added. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: We Distribute, Yet Things Multiply · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to We Distribute, Yet Things Multiply in the chapter We Distribute, Yet Things Multiply.
A. We Distribute, Yet Things Multiply is an NCERT chapter taught in CBSE Class 8 Mathematics
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. A product of sums
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. A product of sums
Explanation
A product of sums. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: We Distribute, Yet Things Multiply · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Proportional Reasoning-1 in the chapter Proportional Reasoning-1.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Unitary method
C. Proportional Reasoning-1 is an NCERT chapter taught in CBSE Class 8 Mathematics
D. A ratio compares two quantities of the same kind
Answer
D. A ratio compares two quantities of the same kind
Explanation
A ratio compares two quantities of the same kind. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning-1 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Proportional Reasoning-1 in the chapter Proportional Reasoning-1.
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. Map scale is a ratio
D. a:b = c:d means a/b = c/d
Answer
D. a:b = c:d means a/b = c/d
Explanation
a:b = c:d means a/b = c/d. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning-1 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Proportional Reasoning-1 in the chapter Proportional Reasoning-1.
A. Unitary method
B. Write three points from Proportional Reasoning-1 in your own words; that is enough for a short-answer start
C. Keep units consistent
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
A. Unitary method
Explanation
Unitary method. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning-1 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Proportional Reasoning-1 in the chapter Proportional Reasoning-1.
A. Map scale is a ratio
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Proportional Reasoning-1 is an NCERT chapter taught in CBSE Class 8 Mathematics
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
A. Map scale is a ratio
Explanation
Map scale is a ratio. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning-1 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Fractions in Disguise in the chapter Fractions in Disguise.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. A mixed number is a disguised improper fraction
C. Simplify before multiplying if you can
D. Fractions in Disguise is an NCERT chapter taught in CBSE Class 8 Mathematics
Answer
B. A mixed number is a disguised improper fraction
Explanation
A mixed number is a disguised improper fraction. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Fractions in Disguise · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Fractions in Disguise in the chapter Fractions in Disguise.
A. Decimal is a fraction with denominator 10, 100…
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. Reciprocal of a/b is b/a (a ≠ 0)
Answer
A. Decimal is a fraction with denominator 10, 100…
Explanation
Decimal is a fraction with denominator 10, 100…. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Fractions in Disguise · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Fractions in Disguise in the chapter Fractions in Disguise.
A. Simplify before multiplying if you can
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Fractions in Disguise in your own words; that is enough for a short-answer start
D. Operations follow fraction rules
Answer
A. Simplify before multiplying if you can
Explanation
Simplify before multiplying if you can. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Fractions in Disguise · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Fractions in Disguise in the chapter Fractions in Disguise.
A. Fractions in Disguise is an NCERT chapter taught in CBSE Class 8 Mathematics
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Reciprocal of a/b is b/a (a ≠ 0)
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Reciprocal of a/b is b/a (a ≠ 0)
Explanation
Reciprocal of a/b is b/a (a ≠ 0). The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Fractions in Disguise · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to The Baudhayana–Pythagoras Theorem in the chapter The Baudhayana–Pythagoras Theorem.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. The Baudhayana–Pythagoras Theorem is an NCERT chapter taught in CBSE Class 8 Mathematics
C. In a right triangle, hypotenuse² = sum of squares of the other two sides
D. Pythagorean triples: 3,4,5
Answer
C. In a right triangle, hypotenuse² = sum of squares of the other two sides
Explanation
In a right triangle, hypotenuse² = sum of squares of the other two sides. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: The Baudhayana–Pythagoras Theorem · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to The Baudhayana–Pythagoras Theorem in the chapter The Baudhayana–Pythagoras Theorem.
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. Baudhayana–Pythagoras is the NCERT naming in this book
D. Converse: if a²+b²=c², the triangle is right-angled
Answer
C. Baudhayana–Pythagoras is the NCERT naming in this book
Explanation
Baudhayana–Pythagoras is the NCERT naming in this book. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: The Baudhayana–Pythagoras Theorem · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Pythagorean triples in the chapter The Baudhayana–Pythagoras Theorem.
A. Distance on a plane uses this idea
B. Write three points from The Baudhayana–Pythagoras Theorem 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. Pythagorean triples: 3,4,5
Answer
D. Pythagorean triples: 3,4,5
Explanation
Pythagorean triples: 3,4,5. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: The Baudhayana–Pythagoras Theorem · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Converse in the chapter The Baudhayana–Pythagoras Theorem.
A. Converse: if a²+b²=c², the triangle is right-angled
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. The Baudhayana–Pythagoras Theorem is an NCERT chapter taught in CBSE Class 8 Mathematics
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
A. Converse: if a²+b²=c², the triangle is right-angled
Explanation
Converse: if a²+b²=c², the triangle is right-angled. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: The Baudhayana–Pythagoras Theorem · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Proportional Reasoning – 2 in the chapter Proportional Reasoning – 2.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Proportional Reasoning – 2 is an NCERT chapter taught in CBSE Class 8 Mathematics
C. Simple interest idea if included
D. Percent is a ratio out of 100
Answer
D. Percent is a ratio out of 100
Explanation
Percent is a ratio out of 100. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning – 2 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Proportional Reasoning – 2 in the chapter Proportional Reasoning – 2.
A. Increase and decrease problems
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. Profit and loss as percent
Answer
D. Profit and loss as percent
Explanation
Profit and loss as percent. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning – 2 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Proportional Reasoning – 2 in the chapter Proportional Reasoning – 2.
A. Always identify the base
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Proportional Reasoning – 2 in your own words; that is enough for a short-answer start
D. Simple interest idea if included
Answer
D. Simple interest idea if included
Explanation
Simple interest idea if included. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning – 2 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Proportional Reasoning – 2 in the chapter Proportional Reasoning – 2.
A. Increase and decrease problems
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Proportional Reasoning – 2 is an NCERT chapter taught in CBSE Class 8 Mathematics
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
A. Increase and decrease problems
Explanation
Increase and decrease problems. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning – 2 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Exploring Some Geometric Themes in the chapter Exploring Some Geometric Themes.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Exploring Some Geometric Themes is an NCERT chapter taught in CBSE Class 8 Mathematics
C. Parallel lines and similar ideas as the chapter develops
D. Corresponding parts
Answer
C. Parallel lines and similar ideas as the chapter develops
Explanation
Parallel lines and similar ideas as the chapter develops. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Exploring Some Geometric Themes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Exploring Some Geometric Themes in the chapter Exploring Some Geometric Themes.
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. Draw first, then prove or calculate
D. Keep reasons for each step
Answer
C. Draw first, then prove or calculate
Explanation
Draw first, then prove or calculate. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 8 · Subject: Mathematics · Chapter: Exploring Some Geometric Themes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Exploring Some Geometric Themes in the chapter Exploring Some Geometric Themes.
A. Write three points from Exploring Some Geometric Themes in your own words; that is enough for a short-answer start
B. Accuracy of construction
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Corresponding parts
Answer
D. Corresponding parts
Explanation
Corresponding parts. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 8 · Subject: Mathematics · Chapter: Exploring Some Geometric Themes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Exploring Some Geometric Themes in the chapter Exploring Some Geometric Themes.
A. Exploring Some Geometric Themes is an NCERT chapter taught in CBSE Class 8 Mathematics
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Keep reasons for each step
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Keep reasons for each step
Explanation
Keep reasons for each step. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 8 · Subject: Mathematics · Chapter: Exploring Some Geometric Themes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Tales by Dots and Lines in the chapter Tales by Dots and Lines.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. A point is a location
C. Plot carefully on a grid
D. Tales by Dots and Lines is an NCERT chapter taught in CBSE Class 8 Mathematics
Answer
B. A point is a location
Explanation
A point is a location. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 8 · Subject: Mathematics · Chapter: Tales by Dots and Lines · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Tales by Dots and Lines in the chapter Tales by Dots and Lines.
A. Read intercepts if taught
B. A line can be a graph of a relation in simple cases
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. A line can be a graph of a relation in simple cases
Explanation
A line can be a graph of a relation in simple cases. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 8 · Subject: Mathematics · Chapter: Tales by Dots and Lines · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Tales by Dots and Lines in the chapter Tales by Dots and Lines.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. A story can hide coordinates
C. Write three points from Tales by Dots and Lines in your own words; that is enough for a short-answer start
D. Plot carefully on a grid
Answer
D. Plot carefully on a grid
Explanation
Plot carefully on a grid. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Tales by Dots and Lines · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Tales by Dots and Lines in the chapter Tales by Dots and Lines.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Tales by Dots and Lines is an NCERT chapter taught in CBSE Class 8 Mathematics
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Read intercepts if taught
Answer
D. Read intercepts if taught
Explanation
Read intercepts if taught. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Mathematics · Chapter: Tales by Dots and Lines · 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-8/, 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.
