Question

A man who is X years old now has a son aged 5 years. In 7 years the father will be 4 times as old as his son will be then . How old is the father now​

Answer 1

41yrs old

Explanation:

now. 7yrs later

F. S. F. S.

x 5. x+7. 5+7

F=(5+7)4

(5+7)4=x+7

20+28=x+7

48=x+7

x=48-7

x=41

so the father is 41yrs old

Answer 2

48

Explanation: