If a:b = 6:9 and b:c = 9:6, then a:b:c = ? MCQ with Answer and Explanation

If a:b = 6:9 and b:c = 9:6, then a:b:c = ?

A. 6:10:6

B. 5:9:7

C. 6:9:6

D. 12:18:12

Answer: Option C

Combine ratios: a:b = 6:9, b:c = 9:6 ⇒ a:b:c = 6:9:6.

This question belongs to: Maths Ratio and Proportion

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Question #1 Report Error

Milk and water are in ratio 6:2 in a 401 L mixture. Quantity of milk?

A. 345 L

B. 600 L

C. 101 L

D. 300 L

Correct Answer: Option D

Explanation:
Total parts = 8. Milk = [6 / (6+2)] × 401 = 300 L.

This question belongs to: Maths Ratio and Proportion

Question #2 Report Error

Milk and water are in ratio 4:2 in a 505 L mixture. Quantity of milk?

A. 336 L

B. 169 L

C. 383 L

D. 672 L

Correct Answer: Option A

Explanation:
Total parts = 6. Milk = [4 / (4+2)] × 505 = 336 L.

This question belongs to: Maths Ratio and Proportion

Question #3 Report Error

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

A. 4:14:16

B. 1:7:9

C. 2:7:8

D. 2:8:8

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