Answers

2016-02-27T15:42:53+05:30
Age of the son is 20 years while age of the Vinodbhai is 60 years.
0
2016-02-27T15:49:48+05:30
Let  the age of  son be x 
then vinodbhai  will  be=3x
therfoer  before 10 years  there boths age was 
 father=10-3x
son =10-x
so before  10  years 
10-x\5=10-3x
5-x=10-3x
3x-x=10
2x=10
x=5
therefore 
x=5
3x=15


0
There is is mistake in ur answer.. :)