Answers

2015-11-20T16:50:02+05:30
There are only 3 people : a grandfather ,a father and a grandson 
The "father" 
is both i.e. 
1. a father of the grandson and
2. a son of the grandfather 
i.e. the above 2 people is only 1 
so 
33,333 / 3 is 11,111
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