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In an engineering college, 80 students g...

In an engineering college, 80 students get chance for Computer Science, 75 for information Technology, 72 for Electronics. If 60 students get chance in 1st and 2nd, 50 in 2nd and 3rd, 40 in 1st and 3rd and 30 get chance in all three branches, how many seats are there in the engineering college? [The college has only three disciplines.]

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CHHAYA PUBLICATION-SET THEORY -Long answer type questions
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  2. For any three sets A , B and C prove the followings : A-(BcapC)=(A -...

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  3. For any three sets A , B and C prove the followings : (AcapB)-C=(A-C...

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  4. For any three sets A , B and C prove the followings : (AcupB)-C=(A-C...

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  5. Applying Set Algebra, prove the : Acap(B-A)=phi

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  6. Applying Set Algebra, prove the : Acup(B-A) =AcupB

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  7. Applying Set Algebra, prove the : (AcapB) -C=(A-C) cap(B-C)

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  8. Applying Set Algebra, prove the : (AcupB)-C=(A-C) cup(B-C)

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  9. In an engineering college, 80 students get chance for Computer Science...

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  14. Out of 1000 students in a college, 540 played football, 465 played cri...

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  15. Out of 1000 students in a college, 540 played football, 465 played cri...

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