Question

There is a grandad,
a dad and 2 sons. They all go hunting and they all shoot a bird
each but only 3 fall to the ground. why?

Answer 1

the 4th one missed his shot

Answer 2

There are actually only three people..
The grandad, his son (tat is dad) and his brother..
The two sons are of grand dad..

So 3 people and three birds