Two numbers are in ratio 8:5. Their difference is 125. What is their sum? MCQ with Answer and Explanation

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Two numbers are in ratio 8:5. Their difference is 125. What is their sum?

A. 201

B. 403

C. 519

D. 445

Answer: Option B

Solution (By JKSSB Mock Tests)

Numbers 8k, 5k. Difference |8-5|k = 125 ⇒ k = 41. Sum = (8+5)k ≈ 403.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 6:5 and b:c = 5:11, then a:b:c = ?

A. 6:6:11

B. 12:10:22

C. 6:5:11

D. 5:5:12

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 6:5, b:c = 5:11 ⇒ a:b:c = 6:5:11.

This question belongs to: Maths Ratio and Proportion

Question #2

Two numbers are in the ratio 14:12 and their sum is 772. Find the numbers.

A. 421 and 329

B. 389 and 367

C. 406 and 348

D. 812 and 696

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Correct Answer: Option C

Explanation:
Numbers = 14k and 12k. 14k + 12k = 772 ⇒ k = 29. Thus, numbers are 406 and 348.

This question belongs to: Maths Ratio and Proportion

Question #3

Find the mean proportional between 17 and 42.

A. 26

B. 59

C. 29

D. 52

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Correct Answer: Option A

Explanation:
Mean proportional = √(17 × 42) = √(714) = 26.

This question belongs to: Maths Ratio and Proportion

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