If a:b = 8:3 and b:c = 3:8, then a:b:c = ? MCQ with Answer and Explanation

Question Report Error

If a:b = 8:3 and b:c = 3:8, then a:b:c = ?

A. 16:6:16

B. 8:3:8

C. 7:3:9

D. 8:4:8

Answer: Option B

Solution (By JKExamLibrary)

Combine ratios: a:b = 8:3, b:c = 3:8 ⇒ a:b:c = 8:3:8.

This question belongs to: Maths Ratio and Proportion

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Ratio and Proportion Questions

Question #1 Report Error

If a:b = 8:10 and b:c = 10:12, then a:b:c = ?

A. 8:11:12

B. 16:20:24

C. 7:10:13

D. 8:10:12

View Answer & Solution Discuss

Correct Answer: Option D

Explanation:
Combine ratios: a:b = 8:10, b:c = 10:12 ⇒ a:b:c = 8:10:12.

This question belongs to: Maths Ratio and Proportion

Question #2 Report Error

Two numbers are in ratio 9:11. Their difference is 54. What is their sum?

A. 383

B. 260

C. 130

D. 316

View Answer & Solution Discuss

Correct Answer: Option B

Explanation:
Numbers 9k, 11k. Difference |9-11|k = 54 ⇒ k = 27. Sum = (9+11)k ≈ 260.

This question belongs to: Maths Ratio and Proportion

Question #3 Report Error

If a:b = 7:3 and b:c = 3:8, then a:b:c = ?

A. 7:3:8

B. 6:3:9

C. 7:4:8

D. 14:6:16

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
Combine ratios: a:b = 7:3, b:c = 3:8 ⇒ a:b:c = 7:3:8.

This question belongs to: Maths Ratio and Proportion

Explore All Ratio and Proportion MCQs