If a:b = 4:5 and b:c = 5:6, then a:b:c = ? MCQ with Answer and Explanation

Question

Share Report Error

If a:b = 4:5 and b:c = 5:6, then a:b:c = ?

A. 4:6:6

B. 8:10:12

C. 3:5:7

D. 4:5:6

Answer: Option D

Solution (By JKSSB Mock Tests)

Combine ratios: a:b = 4:5, b:c = 5:6 ⇒ a:b:c = 4:5:6.

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 = 2:8 and b:c = 8:10, then a:b:c = ?

A. 4:16:20

B. 1:8:11

C. 2:8:10

D. 2:9:10

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Combine ratios: a:b = 2:8, b:c = 8:10 ⇒ a:b:c = 2:8:10.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 4:4 and b:c = 4:9, then a:b:c = ?

A. 3:4:10

B. 4:4:9

C. 4:5:9

D. 8:8:18

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Combine ratios: a:b = 4:4, b:c = 4:9 ⇒ a:b:c = 4:4:9.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 7:4 and b:c = 4:8, then a:b:c = ?

A. 7:4:8

B. 7:5:8

C. 6:4:9

D. 14:8:16

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Combine ratios: a:b = 7:4, b:c = 4:8 ⇒ a:b:c = 7:4:8.

This question belongs to: Maths Ratio and Proportion

Explore All Ratio and Proportion MCQs