Answers

2016-02-03T21:04:15+05:30
Present age of son=x
present age of father=2x
after 8 years,

2x+8/x+8=7/4
8x+32=7x+56
x=24
father's age is 48 and son's age is 24
1 5 1
2016-02-05T06:47:53+05:30