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Quantitative Aptitude
Ratio and proportion
The mean proportional of 2 and 32 is _____.

Question

The mean proportional of 2 and 32 is

_____.

A 14 Correct Answer Incorrect Answer

B 8 Correct Answer Incorrect Answer

C 2 Correct Answer Incorrect Answer

D 6 Correct Answer Incorrect Answer

Solution

We know that, Mean proportion of 'a' and 'b' = √(a × b)
So, Mean proportion = √(2 × 32) = √64 = 8

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