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Question

The A.M. of two numbers exceeds their G.M. by 15 and H.M. by 27. Find the numbers.

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Solution

Given,

AM=a+b2

HM=2aba+b

GM=ab

AM exceeds GM by 15

a+b2=ab+15

AM exceeds HM by 27

a+b2=2aba+b+27

ab+15=2aba+b+27

solving the above equation, we get,

a=120,b=30

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