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There are n AM's between 3 and 54 such t...

There are n AM's between 3 and 54 such that `8^(th)` mean is to `(n-2)^("th")` mean is as to 5. Find n.

A

n=12

B

n=13

C

n=16

D

n=15

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The correct Answer is:
C
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