Questions
Two possible observations have arithmetic mean 3 and geometric mean .If each observation is multiplied by 2, then harmonic mean will be
detailed solution
Correct option is A
Since, we know that(GM)2=AM×HM(22)2=3×HM⇒ HM=83Also, given here that, if each observation is multipliedby 2, then HM=83×2=163Similar Questions
The H.M. between two numbers is 16/5, their A.M. is A and G.M. is G. If then the numbers are
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