Heights of coolness....... !!

Heights of coolness....... !!
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Two best friends coming out of the examination
hall with chips and coke in hands..
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First friend: Which paper was it??
Second friend: I guess it was maths...not sure:P .
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1st: (surprisingly): You read the question paper??
2nd: NO..! I saw a girl sitting besides me using a
calculator :P:P