Question : Find the mean proportional between 32 and 162.
Option 1: 99
Option 2: 65
Option 3: 72
Option 4: 97
Answer (1)
12th Jan, 2024
Correct Answer: 72
Solution :
Let $a=32$ and $b=162$
We know that,
Mean proportion
= $\sqrt{ab}$
= $\sqrt{32\times162}$
= $\sqrt{2\times4\times4\times2\times9\times9}$
= $2\times4\times9$
= $72$
Hence, the correct answer is 72.
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