Two numbers are in ratio 7:4. Their difference is 73. What is their sum? MCQ with Answer and Explanation

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Two numbers are in ratio 7:4. Their difference is 73. What is their sum?

A. 734

B. 636

C. 594

D. 297

Answer: Option C

Solution (By JKSSB Mock Tests)

Numbers 7k, 4k. Difference |7-4|k = 73 ⇒ k = 24. Sum = (7+4)k ≈ 594.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 5:6 and b:c = 6:9, then a:b:c = ?

A. 5:7:9

B. 5:6:9

C. 10:12:18

D. 4:6:10

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Correct Answer: Option B

Explanation:
Combine ratios: a:b = 5:6, b:c = 6:9 ⇒ a:b:c = 5:6:9.

This question belongs to: Maths Ratio and Proportion

Question #2

Two numbers are in ratio 7:12. Their difference is 101. What is their sum?

A. 334

B. 152

C. 423

D. 304

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Correct Answer: Option D

Explanation:
Numbers 7k, 12k. Difference |7-12|k = 101 ⇒ k = 20. Sum = (7+12)k ≈ 304.

This question belongs to: Maths Ratio and Proportion

Question #3

Find the mean proportional between 11 and 38.

A. 49

B. 23

C. 40

D. 20

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Correct Answer: Option D

Explanation:
Mean proportional = √(11 × 38) = √(418) = 20.

This question belongs to: Maths Ratio and Proportion

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