Find the mean proportional between 22 and 16. MCQ with Answer and Explanation

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Find the mean proportional between 22 and 16.

A. 36

B. 21

C. 38

D. 18

Answer: Option D

Solution (By JKSSB Mock Tests)

Mean proportional = √(22 × 16) = √(352) = 18.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 3:3 and b:c = 3:12, then a:b:c = ?

A. 6:6:24

B. 3:3:12

C. 2:3:13

D. 3:4:12

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Correct Answer: Option B

Explanation:
Combine ratios: a:b = 3:3, b:c = 3:12 ⇒ a:b:c = 3:3:12.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 2:4 and b:c = 4:10, then a:b:c = ?

A. 2:4:10

B. 2:5:10

C. 4:8:20

D. 1:4:11

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 2:4, b:c = 4:10 ⇒ a:b:c = 2:4:10.

This question belongs to: Maths Ratio and Proportion

Question #3

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

A. 304

B. 334

C. 423

D. 152

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Correct Answer: Option A

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

This question belongs to: Maths Ratio and Proportion

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