If a:b = 8:6 and b:c = 6:11, then a:b:c = ? MCQ with Answer and Explanation

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If a:b = 8:6 and b:c = 6:11, then a:b:c = ?

A. 8:7:11

B. 8:6:11

C. 16:12:22

D. 7:6:12

Answer: Option B

Solution (By JKSSB Mock Tests)

Combine ratios: a:b = 8:6, b:c = 6:11 ⇒ a:b:c = 8:6:11.

This question belongs to: Maths Ratio and Proportion

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Question #1

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

A. 8:14:8

B. 4:8:4

C. 3:7:5

D. 4:7:4

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Correct Answer: Option D

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

This question belongs to: Maths Ratio and Proportion

Question #2

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

A. 5:3:5

B. 10:6:10

C. 5:4:5

D. 4:3:6

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Correct Answer: Option A

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

This question belongs to: Maths Ratio and Proportion

Question #3

Find the mean proportional between 29 and 50.

A. 41

B. 38

C. 76

D. 79

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Correct Answer: Option B

Explanation:
Mean proportional = √(29 × 50) = √(1450) = 38.

This question belongs to: Maths Ratio and Proportion

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