Classic example for students of different age groups:

1st to 3rd class student: hey ! Mene exams ki sari tyari kr li hai…

4th to 6th class student: yar wo question bht difficult tha is lie wo mene yad nai kia…

7th to 9th class student: bs important question hi read kie hain…

10th to 11 class student: I think 4 chapters boht hai pass hone ke liye..

12th class: Yar kal exam kiska hai??

College student: Kutton !! kam az kam bta to dete aj exam he..la ek pen de kch to chapna pare ga na…:-)