Question
Download Solution PDFFind the harmonic mean, if arithmetic mean is 27 and geometric mean is 9 ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The relation between AM, GM and HM:
(GM)2 = (AM) × (HM)
Calculation:
Given AM = 27 and GM = 9
And we know that (GM)2 = (AM) × (HM)
⇒(9)2 = 27 × HM
⇒ HM =
= 3
Hence, option (3) is correct.
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