Question

at present age of a father is five years more than thrice his sons age. 15 year hence the father age will be twice of his son age at that time. find the present age of the son??

Answer 1

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Answer 2

let age of son=x age of father=3x+5. 15year hence age of son=x+15. 15years age of fa. ther. =3x+20 3x+20=2(x+15) 3x+20=2x+30 3x-2x=30-20. x=10. son=10years father=30years