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

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

A. 4:6:6

B. 3:6:7

C. 8:12:12

D. 4:7:6

Answer: Option A

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 6:7 and b:c = 7:4, then a:b:c = ?

A. 5:7:5

B. 6:7:4

C. 12:14:8

D. 6:8:4

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Correct Answer: Option B

Explanation:
Combine ratios: a:b = 6:7, b:c = 7:4 ⇒ a:b:c = 6:7:4.

This question belongs to: Maths Ratio and Proportion

Question #2

Milk and water are in ratio 6:6 in a 413 L mixture. Quantity of milk?

A. 245 L

B. 207 L

C. 412 L

D. 206 L

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Correct Answer: Option D

Explanation:
Total parts = 12. Milk = [6 / (6+6)] × 413 = 206 L.

This question belongs to: Maths Ratio and Proportion

Question #3

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

A. 8:4:9

B. 8:3:9

C. 7:3:10

D. 16:6:18

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Correct Answer: Option B

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

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