Classic xample of studnts of different standards:

1st and 2nd standard students Hey! I studied every thing for exam!
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3rd and 4th std- Hey! Dat Question was very hard, so Ileft only dat qstn!
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5th n 6th std- Hey! I read only important qstns!
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7th n 8th std- I think 4 chapters r enough 2 pass!
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9th n 10th std- Kal xam kaunsa hai yaar.. ??

And in college:"
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Kamino!! Bata toh dete aaj paper hai, mere paas toh pen bhi nahi hai..