Find the mean proportional between 15 and 43. MCQ with Answer and Explanation

Find the mean proportional between 15 and 43.

A. 58

B. 28

C. 50

D. 25

Answer: Option D

Mean proportional = √(15 × 43) = √(645) = 25.

This question belongs to: Maths Ratio and Proportion

No comments yet. Be the first to start the discussion!

Question #1 Report Error

Milk and water are in ratio 7:7 in a 233 L mixture. Quantity of milk?

A. 232 L

B. 116 L

C. 138 L

D. 117 L

Correct Answer: Option B

Explanation:
Total parts = 14. Milk = [7 / (7+7)] × 233 = 116 L.

This question belongs to: Maths Ratio and Proportion

Question #2 Report Error

Find the mean proportional between 33 and 15.

A. 48

B. 44

C. 25

D. 22

Correct Answer: Option D

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

This question belongs to: Maths Ratio and Proportion

Question #3 Report Error

Find the mean proportional between 19 and 14.

A. 19

B. 32

C. 33

D. 16

Correct Answer: Option D

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

This question belongs to: Maths Ratio and Proportion