Question : The mean proportion of 6 and 54 is:
Option 1: 6
Option 2: 9
Option 3: 12
Option 4: 18
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Answer (1)
11th Jan, 2024
Correct Answer: 18
Solution :
Mean proportion of $a$ and $b$ = $\sqrt{ab}$
So, the mean proportion of 6 and 54
= $\sqrt{6\times54}$
= 18
Hence, the correct answer is 18.
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