1.

(5)R(1Group - BAnswer any ten questions.. The harmonic mean of 2, a, 8 be 24/7, then the value of a is​

Answer»

Answer:

Correct option is

D

4

Harmonic MEAN =

i=1

n

x

i

1

n

HM =

24

12+6+3+2

4

=

23

4×24

=4.17=4



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