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G.. M. and H. M. of two numbers are 10 and 8 respectively. The numbers are : (A) 5, 20 (B) 4, 25 (C) 2, 50 (D) 1, 100

G.. M. and H. M. of two numbers are 10 and 8 respectively. The numbers are :
(A) 5, 20 (B) 4, 25 (C) 2, 50 (D) 1, 100

Grade:

1 Answers

Arun
25763 Points
one year ago
( G. M) ² = A. M * H. M 

A. M = 10 
G. M = 8 

8² = 10 * H. M 

64/10 = H. M 

6.4 = H. M. 


Therefore, Harmonic mean = 6.4

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