Question

The sum of the ages of afather and son is45 . Five years ago the proudt of their ages awas four times he father age at that time. Whatis the present ages of fahter and son

Answer 1

Let the present age of father and son be x years and (45 - x) years respectively.

Then, (x-5)(45-x-5)=4(x-5)

or -x² + 41 x -180 =0

or (x-36)(x-5) =0

or x=36

Therefore the present ages of father and son are 36 yrs. and 9 yrs. respectively.

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