Question

A father is 30 yr older than his son how ever he will be only thrice as old as the son after 5yr what is father present age

Answer 1

I hope this will help you

Answer 2

LET X IS FATHER AND Y IS SON

X = 30Y

[X+5] = 3[Y+5}

X+5 = 3Y + 15

X-3Y= 10

PUTTING VALUE OF X

30Y-3Y = 10

27Y = 10

Y = 10/27