Teacher was teaching Mahabharat a to 6th std students.. .
Teacher:- Kans heard Devaki's 8th son would kill him...So he put Devaki&Vasudev in prison. 1st child was born...Kan s killed him by poison. 2nd...Kans killed by sword....3 rd was born...
(At this point, a boy raised his hand for a doubt)

The teacher asked :- What?

The boy said :-If Kans knew that the 8th son would kill him......t hen why did he put Devaki&Vasudev in SAME jail??????

Teacher fainted!!! !!:p:p:p