Find the mean proportional between 19 and 14. MCQ with Answer and Explanation

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Find the mean proportional between 19 and 14.

A. 32

B. 19

C. 33

D. 16

Answer: Option D

Solution (By JKSSB Mock Tests)

Mean proportional = √(19 × 14) = √(266) = 16.

This question belongs to: Maths Ratio and Proportion

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Question #1

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Two numbers are in the ratio 8:14 and their sum is 276. Find the numbers.

A. 125 and 139

B. 192 and 336

C. 84 and 185

D. 96 and 168

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Correct Answer: Option D

Explanation:
Numbers = 8k and 14k. 8k + 14k = 276 ⇒ k = 12. Thus, numbers are 96 and 168.

This question belongs to: Maths Ratio and Proportion

Question #2

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Two numbers are in ratio 8:10. Their difference is 82. What is their sum?

A. 571

B. 454

C. 432

D. 216

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Correct Answer: Option C

Explanation:
Numbers 8k, 10k. Difference |8-10|k = 82 ⇒ k = 41. Sum = (8+10)k ≈ 432.

This question belongs to: Maths Ratio and Proportion

Question #3

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Find the mean proportional between 34 and 17.

A. 24

B. 27

C. 51

D. 48

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Correct Answer: Option A

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

This question belongs to: Maths Ratio and Proportion

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