Question

a father is 5 times as old as his son . after 15 year he will be two times as old as his son . father present age

Answer 1

Let the present age of son be a

Present age of father = 5a

According to question,

2(a + 15) = 5a + 15

=> 2a +30 = 5a + 15

=> 3a = 15

=> a = 5

Present age of son = 5 years

Present age of father = 25 years

Answer 2

Let the present age of son be x

Present age of father = 5x

According to question,

2(x + 15) = 5x + 15

=> 2x +30 = 5x + 15

=> 3x = 15

=> x = 5

Present age of son = 5 years

Present age of father = 25 years


I hope this will help u
By DEVANSH