CA Foundation doubt
The harmonic mean of 1,1/2,1/3,1/n is: (a) 1/(n+1) (b) 2/(n+1) (c) (n+1)/2 (d) 1/(n 1)
Asked by Sheetal22 Jun 2024288 views
5 answers
Raj · 22 Jun 2024
C
Jain · 22 Jun 2024
HM of the observations is the reciprocal of the AM. of the reciprocals of the observations. So reciprocals of the given observations are 1, 2, 3, n. AM = = 1+2+3... 1n(n+1) X n n+1 2 2 +n = HM = 1/AM HM = 2/(n+1
Jain · 22 Jun 2024
B
Chahat · 22 Jun 2024
Option c
Vinayak · 22 Jun 2024
C
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