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The harmonic mean of 4,8,16 is...

The harmonic mean of 4,8,16 is

A

6.4

B

6.7

C

6.85

D

7.8

Text Solution

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The correct Answer is:
C
H.M. of 4, 8,16`=(3)/((1)/(4)+(1)/(8)+(1)/(16))=(48)/(7)=6.85`
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