If a:b = 2:4 and b:c = 4:4, then a:b:c = ? MCQ with Answer and Explanation

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If a:b = 2:4 and b:c = 4:4, then a:b:c = ?

A. 1:4:5

B. 2:5:4

C. 2:4:4

D. 4:8:8

Answer: Option C

Solution (By JKSSB Mock Tests)

Combine ratios: a:b = 2:4, b:c = 4:4 ⇒ a:b:c = 2:4:4.

This question belongs to: Maths Ratio and Proportion

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Question #1

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Two numbers are in the ratio 11:9 and their sum is 682. Find the numbers.

A. 374 and 306

B. 399 and 285

C. 367 and 312

D. 748 and 612

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Correct Answer: Option A

Explanation:
Numbers = 11k and 9k. 11k + 9k = 682 ⇒ k = 34. Thus, numbers are 374 and 306.

This question belongs to: Maths Ratio and Proportion

Question #2

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

A. 3:4:7

B. 4:4:6

C. 8:8:12

D. 4:5:6

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Correct Answer: Option B

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

This question belongs to: Maths Ratio and Proportion

Question #3

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Milk and water are in ratio 9:6 in a 433 L mixture. Quantity of milk?

A. 259 L

B. 286 L

C. 518 L

D. 174 L

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Correct Answer: Option A

Explanation:
Total parts = 15. Milk = [9 / (9+6)] × 433 = 259 L.

This question belongs to: Maths Ratio and Proportion

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