If a:b = 6:3 and b:c = 3:4, then a:b:c = ? MCQ with Answer and Explanation

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If a:b = 6:3 and b:c = 3:4, then a:b:c = ?

A. 6:3:4

B. 5:3:5

C. 6:4:4

D. 12:6:8

Answer: Option A

Solution (By JKExamLibrary)

Combine ratios: a:b = 6:3, b:c = 3:4 ⇒ a:b:c = 6:3:4.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1 Report Error

If a:b = 8:3 and b:c = 3:9, then a:b:c = ?

A. 8:4:9

B. 7:3:10

C. 16:6:18

D. 8:3:9

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 8:3, b:c = 3:9 ⇒ a:b:c = 8:3:9.

This question belongs to: Maths Ratio and Proportion

Question #2 Report Error

If a:b = 8:5 and b:c = 5:9, then a:b:c = ?

A. 7:5:10

B. 16:10:18

C. 8:6:9

D. 8:5:9

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 8:5, b:c = 5:9 ⇒ a:b:c = 8:5:9.

This question belongs to: Maths Ratio and Proportion

Question #3 Report Error

If a:b = 3:3 and b:c = 3:5, then a:b:c = ?

A. 3:3:5

B. 3:4:5

C. 6:6:10

D. 2:3:6

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
Combine ratios: a:b = 3:3, b:c = 3:5 ⇒ a:b:c = 3:3:5.

This question belongs to: Maths Ratio and Proportion

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