Find the mean proportional between 33 and 15. MCQ with Answer and Explanation

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Find the mean proportional between 33 and 15.

A. 44

B. 48

C. 25

D. 22

Answer: Option D

Solution (By JKSSB Mock Tests)

Mean proportional = √(33 × 15) = √(495) = 22.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

Find the mean proportional between 34 and 17.

A. 51

B. 48

C. 27

D. 24

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Correct Answer: Option D

Explanation:
Mean proportional = √(34 × 17) = √(578) = 24.

This question belongs to: Maths Ratio and Proportion

Question #2

Two numbers are in ratio 6:12. Their difference is 108. What is their sum?

A. 207

B. 447

C. 414

D. 554

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Correct Answer: Option C

Explanation:
Numbers 6k, 12k. Difference |6-12|k = 108 ⇒ k = 18. Sum = (6+12)k ≈ 414.

This question belongs to: Maths Ratio and Proportion

Question #3

Find the mean proportional between 7 and 9.

A. 16

B. 10

C. 14

D. 7

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Correct Answer: Option D

Explanation:
Mean proportional = √(7 × 9) = √(63) = 7.

This question belongs to: Maths Ratio and Proportion

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