If a:b = 4:7 and b:c = 7:4, then a:b:c = ? MCQ with Answer and Explanation

Question

Share Report Error

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

A. 8:14:8

B. 3:7:5

C. 4:7:4

D. 4:8:4

Answer: Option C

Solution (By JKSSB Mock Tests)

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

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

Share Report

Two numbers are in the ratio 15:6 and their sum is 278. Find the numbers.

A. 390 and 156

B. 221 and 61

C. 195 and 78

D. 181 and 92

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Numbers = 15k and 6k. 15k + 6k = 278 ⇒ k = 13. Thus, numbers are 195 and 78.

This question belongs to: Maths Ratio and Proportion

Question #2

Share Report

If a:b = 8:6 and b:c = 6:12, then a:b:c = ?

A. 16:12:24

B. 7:6:13

C. 8:6:12

D. 8:7:12

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Combine ratios: a:b = 8:6, b:c = 6:12 ⇒ a:b:c = 8:6:12.

This question belongs to: Maths Ratio and Proportion

Question #3

Share Report

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

A. 2:3:8

B. 3:4:7

C. 3:3:7

D. 6:6:14

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

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

This question belongs to: Maths Ratio and Proportion

Explore All Ratio and Proportion MCQs