3 Brothers were playing football. Sam Smith, Mark Smith and Alan Smith

3 Brother were playing football
3 brothers were playing football,
When their ball broke a pane of glass in their neighbour's greenhouse.
The Neighbour saw all 3 boys running away but didnot see who kicked the ball.
The Boys names were Sam Smith, Mark Smith and Alan Smith.
The Next day the neighbour received a note that read: "? Smith. He kicked the ball."
Which brother did it?

Click here for Answer

? = Question Mark
So the Note read : Question Mark Smith.
So Mark Smith Kicked the Ball