# The age of father is 4 times the age of his son . 5 years hence, the age of father will be three times the age of his son . Find their present ages.

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by dweejareddy

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by dweejareddy

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then father age is '4x'

after 5 years,

son age is x+5

father age is 4x+5

but according to the problem,

father age is three times of son's age

therefore,

4x+5 = 3(x+5) => 4x+5 = 3x+15 => 4x-3x = 15-5 => x = 10

therefore

son age is 10 years

father age is 40 years

HOPE IT HELPS U