Question

A man is thrice as old as his son 5 years ago the man was four times as old as his son find their present ages

Answer 1

Answer:

Let the present age of son be x.

then father's age=3x

5 years ago,

Age of son= x-5

Age of father=3x-5

According to the question,

3x-5=4(x-5)

3x-5=4x-20

⇒20-5=4x-3x

⇒x=15

present age of son=15 years

present age of father=15*3=45 years