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(5)R(1Group - BAnswer any ten questions.. The harmonic mean of 2, a, 8 be 24/7, then the value of a is |
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Answer» Answer: Correct option is D 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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