If a:b = 6:10 and b:c = 10:8, then a:b:c = ? MCQ with Answer and Explanation

Question

Share Report Error

If a:b = 6:10 and b:c = 10:8, then a:b:c = ?

A. 6:11:8

B. 12:20:16

C. 5:10:9

D. 6:10:8

Answer: Option D

Solution (By JKSSB Mock Tests)

Combine ratios: a:b = 6:10, b:c = 10:8 ⇒ a:b:c = 6:10:8.

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 = 3:10 and b:c = 10:11, then a:b:c = ?

A. 3:11:11

B. 3:10:11

C. 2:10:12

D. 6:20:22

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Combine ratios: a:b = 3:10, b:c = 10:11 ⇒ a:b:c = 3:10:11.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 4:7 and b:c = 7:10, then a:b:c = ?

A. 8:14:20

B. 4:7:10

C. 3:7:11

D. 4:8:10

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Combine ratios: a:b = 4:7, b:c = 7:10 ⇒ a:b:c = 4:7:10.

This question belongs to: Maths Ratio and Proportion

Question #3

Two numbers are in the ratio 10:5 and their sum is 127. Find the numbers.

A. 80 and 40

B. 160 and 80

C. 61 and 55

D. 92 and 20

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Numbers = 10k and 5k. 10k + 5k = 127 ⇒ k = 8. Thus, numbers are 80 and 40.

This question belongs to: Maths Ratio and Proportion

Explore All Ratio and Proportion MCQs