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Question
If the numbers be in G.P., then their logarithms will be in
Options:
A .  A.P
B .  G.P
C .  H.P
D .  None of these
Answer: Option A
:
A
Let three number a,b and c in G.P., then b2 = ac
2logdb = logda+logdc or logdb = logda+logdc2
Thus their logarithms are in A.P.

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