If a:b = 8:8 and b:c = 8:5, then a:b:c = ? MCQ with Answer and Explanation

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

A. 16:16:10

B. 7:8:6

C. 8:9:5

D. 8:8:5

Answer: Option D

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Ratio and Proportion

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Question #1

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

A. 8:10:10

B. 3:5:6

C. 4:6:5

D. 4:5:5

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Correct Answer: Option D

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

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 3:3 and b:c = 3:10, then a:b:c = ?

A. 3:4:10

B. 2:3:11

C. 3:3:10

D. 6:6:20

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 3:3, b:c = 3:10 ⇒ a:b:c = 3:3:10.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 2:7 and b:c = 7:8, then a:b:c = ?

A. 1:7:9

B. 2:8:8

C. 2:7:8

D. 4:14:16

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 2:7, b:c = 7:8 ⇒ a:b:c = 2:7:8.

This question belongs to: Maths Ratio and Proportion

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