If a:b = 2:6 and b:c = 6:12, then a:b:c = ? MCQ with Answer and Explanation

Question

Share Report Error

If a:b = 2:6 and b:c = 6:12, then a:b:c = ?

A. 2:7:12

B. 2:6:12

C. 1:6:13

D. 4:12:24

Answer: Option B

Solution (By JKSSB Mock Tests)

Combine ratios: a:b = 2:6, b:c = 6:12 ⇒ a:b:c = 2:6:12.

This question belongs to: Maths Ratio and Proportion

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Ratio and Proportion Questions

Question #1

If a:b = 8:4 and b:c = 4:6, then a:b:c = ?

A. 16:8:12

B. 7:4:7

C. 8:5:6

D. 8:4:6

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Combine ratios: a:b = 8:4, b:c = 4:6 ⇒ a:b:c = 8:4:6.

This question belongs to: Maths Ratio and Proportion

Question #2

Two numbers are in the ratio 12:6 and their sum is 224. Find the numbers.

A. 132 and 88

B. 156 and 45

C. 144 and 72

D. 288 and 144

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Numbers = 12k and 6k. 12k + 6k = 224 ⇒ k = 12. Thus, numbers are 144 and 72.

This question belongs to: Maths Ratio and Proportion

Question #3

Milk and water are in ratio 4:5 in a 371 L mixture. Quantity of milk?

A. 214 L

B. 328 L

C. 164 L

D. 207 L

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Total parts = 9. Milk = [4 / (4+5)] × 371 = 164 L.

This question belongs to: Maths Ratio and Proportion

Explore All Ratio and Proportion MCQs