If a:b = 6:6 and b:c = 6:7, then a:b:c = ? MCQ with Answer and Explanation

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If a:b = 6:6 and b:c = 6:7, then a:b:c = ?

A. 6:7:7

B. 5:6:8

C. 12:12:14

D. 6:6:7

Answer: Option D

Solution (By JKSSB Mock Tests)

Combine ratios: a:b = 6:6, b:c = 6:7 ⇒ a:b:c = 6:6:7.

This question belongs to: Maths Ratio and Proportion

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Question #1

If a:b = 7:8 and b:c = 8:7, then a:b:c = ?

A. 7:8:7

B. 14:16:14

C. 6:8:8

D. 7:9:7

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 7:8, b:c = 8:7 ⇒ a:b:c = 7:8:7.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 4:5 and b:c = 5:8, then a:b:c = ?

A. 4:5:8

B. 4:6:8

C. 3:5:9

D. 8:10:16

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 4:5, b:c = 5:8 ⇒ a:b:c = 4:5:8.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 5:6 and b:c = 6:7, then a:b:c = ?

A. 10:12:14

B. 5:6:7

C. 5:7:7

D. 4:6:8

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Correct Answer: Option B

Explanation:
Combine ratios: a:b = 5:6, b:c = 6:7 ⇒ a:b:c = 5:6:7.

This question belongs to: Maths Ratio and Proportion

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