If a:b = 4:10 and b:c = 10:10, then a:b:c = ? MCQ with Answer and Explanation

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If a:b = 4:10 and b:c = 10:10, then a:b:c = ?

A. 4:11:10

B. 4:10:10

C. 3:10:11

D. 8:20:20

Answer: Option B

Solution (By JKSSB Mock Tests)

Combine ratios: a:b = 4:10, b:c = 10:10 ⇒ a:b:c = 4:10:10.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 5:4 and b:c = 4:5, then a:b:c = ?

A. 5:4:5

B. 4:4:6

C. 5:5:5

D. 10:8:10

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 5:4, b:c = 4:5 ⇒ a:b:c = 5:4:5.

This question belongs to: Maths Ratio and Proportion

Question #2

Two numbers are in ratio 8:10. Their difference is 82. What is their sum?

A. 571

B. 454

C. 432

D. 216

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Correct Answer: Option C

Explanation:
Numbers 8k, 10k. Difference |8-10|k = 82 ⇒ k = 41. Sum = (8+10)k ≈ 432.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 8:10 and b:c = 10:12, then a:b:c = ?

A. 8:10:12

B. 7:10:13

C. 8:11:12

D. 16:20:24

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 8:10, b:c = 10:12 ⇒ a:b:c = 8:10:12.

This question belongs to: Maths Ratio and Proportion

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