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If there are n harmonic means between 1 ...

If there are n harmonic means between 1 and `1/31` and the ratio of `7^(th)and (n -1)^(th)` harmonic means is 9 : 5 , then the value of n will be

A

12

B

13

C

14

D

15

Text Solution

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The correct Answer is:
C
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