Question

A man is 4 times as old as his son after 16yrs he will be only twice as old as his son

Answer 1

Let age of father be x

Age of son be y

Present

x= 4y

After 16 years

Son = 16+y

Father= 16+x

x+16= 2(y+16)

4y+16= 2y+32

2y= 16

y= 8 years

x= 32 years