If a:b = 3:3 and b:c = 3:10, then a:b:c = ? MCQ with Answer and Explanation

Question

Share Report Error

If a:b = 3:3 and b:c = 3:10, then a:b:c = ?

A. 3:4:10

B. 3:3:10

C. 6:6:20

D. 2:3:11

Answer: Option B

Solution (By JKSSB Mock Tests)

Combine ratios: a:b = 3:3, b:c = 3:10 ⇒ a:b:c = 3:3:10.

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

A. 5:5:5

B. 10:10:10

C. 4:5:6

D. 5:6:5

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

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

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 3:4 and b:c = 4:7, then a:b:c = ?

A. 6:8:14

B. 2:4:8

C. 3:4:7

D. 3:5:7

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Combine ratios: a:b = 3:4, b:c = 4:7 ⇒ a:b:c = 3:4:7.

This question belongs to: Maths Ratio and Proportion

Question #3

Two numbers are in ratio 6:12. Their difference is 91. What is their sum?

A. 396

B. 533

C. 198

D. 449

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Numbers 6k, 12k. Difference |6-12|k = 91 ⇒ k = 15. Sum = (6+12)k ≈ 396.

This question belongs to: Maths Ratio and Proportion

Explore All Ratio and Proportion MCQs