Students Of Different Standards

1st and 2nd standard students - Hey! I studied everything for exam!
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3rd and 4th std- Hey! That Question was very hard, so I left only that question!
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5th n 6th std- Hey! I read only important questions!
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7th n 8th std- I think 4 chapters are enough 2 pass!
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9th n 10th std- Kal exam kaunsa hai yaar.?
N in college-
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Kamino!! Bata toh dete aaj paper hai, mere paas toh pen bhi nahi hai..!!