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. 18

C. 38

D. 21

Answer: Option B

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 = 4:8 and b:c = 8:10, then a:b:c = ?

A. 4:9:10

B. 4:8:10

C. 3:8:11

D. 8:16:20

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Correct Answer: Option B

Explanation:
Combine ratios: a:b = 4:8, b:c = 8:10 ⇒ a:b:c = 4:8:10.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 2:4 and b:c = 4:7, then a:b:c = ?

A. 2:5:7

B. 4:8:14

C. 1:4:8

D. 2:4:7

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 2:4, b:c = 4:7 ⇒ a:b:c = 2:4:7.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 2:3 and b:c = 3:10, then a:b:c = ?

A. 1:3:11

B. 4:6:20

C. 2:3:10

D. 2:4:10

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 2:3, b:c = 3:10 ⇒ a:b:c = 2:3:10.

This question belongs to: Maths Ratio and Proportion

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