If a:b = 2:6 and b:c = 6:10, then a:b:c = ? MCQ with Answer and Explanation

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If a:b = 2:6 and b:c = 6:10, then a:b:c = ?

A. 2:6:10

B. 2:7:10

C. 1:6:11

D. 4:12:20

Answer: Option A

Solution (By JKSSB Mock Tests)

Combine ratios: a:b = 2:6, b:c = 6:10 ⇒ a:b:c = 2:6:10.

This question belongs to: Maths Ratio and Proportion

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Question #1

If a:b = 7:10 and b:c = 10:11, then a:b:c = ?

A. 7:10:11

B. 6:10:12

C. 7:11:11

D. 14:20:22

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 7:10, b:c = 10:11 ⇒ a:b:c = 7:10:11.

This question belongs to: Maths Ratio and Proportion

Question #2

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

A. 5:4:5

B. 4:4:6

C. 5:5:5

D. 10:8:10

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Correct Answer: Option A

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

This question belongs to: Maths Ratio and Proportion

Question #3

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

A. 3:3:6

B. 6:6:12

C. 3:4:6

D. 2:3:7

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Correct Answer: Option A

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

This question belongs to: Maths Ratio and Proportion

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