1.

If A,G,H are arithmetic, geometric and harmonic mean between a and b. Then A, G,H are inA)ApB) GPC)HPD)NONE

Answer»

They are in GP 

Answer (B)  for two numbers a and b

A= (a+b)/2

G2= a.b

H= 2a.b/(a+b)

Thus A.H= a.b = G2

Shows A, G,H are in GP



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