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

Question

Share Report Error

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

A. 5:5:5

B. 5:4:5

C. 10:8:10

D. 4:4:6

Answer: Option B

Solution (By JKSSB Mock Tests)

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

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 ratio 7:12. Their difference is 120. What is their sum?

A. 593

B. 275

C. 658

D. 551

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Numbers 7k, 12k. Difference |7-12|k = 120 ⇒ k = 24. Sum = (7+12)k ≈ 551.

This question belongs to: Maths Ratio and Proportion

Question #2

Share Report

Milk and water are in ratio 4:2 in a 505 L mixture. Quantity of milk?

A. 672 L

B. 383 L

C. 169 L

D. 336 L

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Total parts = 6. Milk = [4 / (4+2)] × 505 = 336 L.

This question belongs to: Maths Ratio and Proportion

Question #3

Share Report

Two numbers are in ratio 9:11. Their difference is 102. What is their sum?

A. 482

B. 200

C. 400

D. 422

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Numbers 9k, 11k. Difference |9-11|k = 102 ⇒ k = 51. Sum = (9+11)k ≈ 400.

This question belongs to: Maths Ratio and Proportion

Explore All Ratio and Proportion MCQs