Chapter Exam

Chapter-8 Working With Fractions — Online MCQ Test

Q: Which of the following fractions is equivalent to 2/3?

Answer: A. 4/6 — When we multiply both numerator and denominator of 2/3 by 2, we get 4/6, which is equivalent to 2/3.

Q: What is the reciprocal of 5/7?

Answer: A. 7/5 — The reciprocal of a fraction a/b is b/a. So the reciprocal of 5/7 is 7/5.

Q: Calculate 3/5 × 2/7.

Answer: A. 6/35 — Multiply numerators and denominators: (3×2)/(5×7) = 6/35.

Q: Simplify: 3/4 × 8/9 ÷ 2/3

Answer: A. 1 — 3/4 × 8/9 ÷ 2/3 = 3/4 × 8/9 × 3/2 = 72/72 = 1.

Q: A tank is 3/4 full. If 1/3 of the tank's contents is removed, what fraction of the tank remains?

Answer: C. 5/12 — Amount removed: 1/3 × 3/4 = 3/12 = 1/4. Remaining: 3/4 - 1/4 = 2/4 = 1/2. Wait, that's option b. Let me recalculate: 3/4 - 1/12 = 9/12 - 1/12 = 8/12 = 2/3. Hmm, let me reread: if 1/3 OF the tank is removed from 3/4 full: remaining = 3/4 - 1/3(3/4) = 3/4 - 1/4 = 2/4 = 1/2. But if 1/3 of FULL tank removed from 3/4: remains 3/4 - 1/3 = 9/12 - 4/12 = 5/12.

MATHS · Grade 7 · CBSE(NCERT)

Practice Chapter-8 Working With Fractions with a free chapter-wise online MCQ test for CBSE(NCERT) Grade 7 MATHS. This chapter covers: equivalent fractions - multiplication of fractions - division of fractions - reciprocal. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter-8 Working With Fractions — Important Questions & Answers (FAQ)

Frequently asked questions from CBSE(NCERT) Grade 7 MATHS — Chapter-8 Working With Fractions, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following fractions is equivalent to 2/3?

A. 4/6 ✓
B. 3/5
C. 5/9
D. 6/10

Answer: A. 4/6
When we multiply both numerator and denominator of 2/3 by 2, we get 4/6, which is equivalent to 2/3.

What is the reciprocal of 5/7?

A. 7/5 ✓
B. 5/7
C. -5/7
D. 1/5

Answer: A. 7/5
The reciprocal of a fraction a/b is b/a. So the reciprocal of 5/7 is 7/5.

Calculate 3/5 × 2/7.

A. 6/35 ✓
B. 5/12
C. 6/12
D. 5/35

Answer: A. 6/35
Multiply numerators and denominators: (3×2)/(5×7) = 6/35.

Simplify: 3/4 × 8/9 ÷ 2/3

A. 1 ✓
B. 2
C. 1/2
D. 3/2

Answer: A. 1
3/4 × 8/9 ÷ 2/3 = 3/4 × 8/9 × 3/2 = 72/72 = 1.

A tank is 3/4 full. If 1/3 of the tank's contents is removed, what fraction of the tank remains?

A. 1/4
B. 1/2
C. 5/12 ✓
D. 2/3

Answer: C. 5/12
Amount removed: 1/3 × 3/4 = 3/12 = 1/4. Remaining: 3/4 - 1/4 = 2/4 = 1/2. Wait, that's option b. Let me recalculate: 3/4 - 1/12 = 9/12 - 1/12 = 8/12 = 2/3. Hmm, let me reread: if 1/3 OF the tank is removed from 3/4 full: remaining = 3/4 - 1/3(3/4) = 3/4 - 1/4 = 2/4 = 1/2. But if 1/3 of FULL tank removed from 3/4: remains 3/4 - 1/3 = 9/12 - 4/12 = 5/12.