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Re: set theory
by rahul srivastav - Monday, 23 July 2012, 12:44 PM
  its 60,option b
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Re: set theory
by Mohit Sharma - Monday, 23 July 2012, 04:59 PM
  Hi rahul ,
What rakshit has done is absolutely correct. It is 2x the no of students who play exactly 2 games. So it is 60. smile
Thanks,
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Re: set theory
by rakshit surana - Monday, 23 July 2012, 09:29 PM
  thanx mohit,
x= 30 so 2x =60 ans
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