Answers

2015-01-22T14:37:48+05:30


Let 3x and x years be the ages  of father and son 10 years ago

Then, (3x+10)+10 = 2{(x+10)+10}

3x+20 = 2x+40

x=20

Required ratio = (3x+10):(x+10) = 70:30 = 7:3


0