Classic example for students of different age groups:-

1st to 3rd stndard- hey! I studied everythng for exam...
.
4th to 6th std- Hey! that Question wasvery hard so I leave only dat questn...
.
6th to 10th std- hey! read only important questions...
.
11th std- i think four chapters r enough to get pass..
.
12th- kal exam kaunsa hai yaar...
.
Nd in Colg- oh shit! Aaj exam tha... Kisi ne kuch bataya kyun nahi.:-)

dedicated to al rockng students