If a:b = 3:5 and b:c = 5:10, then a:b:c = ? MCQ with Answer and Explanation

Question

Share Report Error

If a:b = 3:5 and b:c = 5:10, then a:b:c = ?

A. 2:5:11

B. 3:5:10

C. 6:10:20

D. 3:6:10

Answer: Option B

Solution (By JKExamLibrary)

Combine ratios: a:b = 3:5, b:c = 5:10 ⇒ a:b:c = 3:5:10.

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 = 7:9 and b:c = 9:5, then a:b:c = ?

A. 7:10:5

B. 14:18:10

C. 6:9:6

D. 7:9:5

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Combine ratios: a:b = 7:9, b:c = 9:5 ⇒ a:b:c = 7:9:5.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 2:3 and b:c = 3:9, then a:b:c = ?

A. 1:3:10

B. 4:6:18

C. 2:4:9

D. 2:3:9

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Combine ratios: a:b = 2:3, b:c = 3:9 ⇒ a:b:c = 2:3:9.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 2:3 and b:c = 3:10, then a:b:c = ?

A. 2:3:10

B. 2:4:10

C. 4:6:20

D. 1:3:11

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Combine ratios: a:b = 2:3, b:c = 3:10 ⇒ a:b:c = 2:3:10.

This question belongs to: Maths Ratio and Proportion

Explore All Ratio and Proportion MCQs