If a:b = 5:4 and b:c = 4:4, then a:b:c = ? MCQ with Answer and Explanation

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

A. 4:4:5

B. 5:4:4

C. 5:5:4

D. 10:8:8

Answer: Option B

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 7:4 and b:c = 4:10, then a:b:c = ?

A. 7:5:10

B. 6:4:11

C. 14:8:20

D. 7:4:10

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 7:4, b:c = 4:10 ⇒ a:b:c = 7:4:10.

This question belongs to: Maths Ratio and Proportion

Question #2

Two numbers are in ratio 11:6. Their difference is 42. What is their sum?

A. 263

B. 560

C. 527

D. 633

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Correct Answer: Option C

Explanation:
Numbers 11k, 6k. Difference |11-6|k = 42 ⇒ k = 8. Sum = (11+6)k ≈ 527.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 3:3 and b:c = 3:7, then a:b:c = ?

A. 6:6:14

B. 3:3:7

C. 2:3:8

D. 3:4:7

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Correct Answer: Option B

Explanation:
Combine ratios: a:b = 3:3, b:c = 3:7 ⇒ a:b:c = 3:3:7.

This question belongs to: Maths Ratio and Proportion

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