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For any two sets A and B prove the follo...

For any two sets A and B prove the following: `A-(A-B)=AnnB`

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RD SHARMA ENGLISH-SETS-All Questions
  1. Show that for any sets A and B ; A = (AnnB)uu(A-B) and Auu(B-A) = (...

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  2. For any two sets A and B prove the following: Ann(A^(prime)uuB)=AnnB

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  3. For any two sets A and B prove the following: A-(A-B)=AnnB

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  4. For any two sets A and B prove the following: Ann(A^(\ )uuB)'=varphi

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  5. For any two sets A and B prove the following: A-B=ADelta(AnnB)dot

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  6. In a class of 35 students, 24 like to play cricket and 16 like to p...

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  7. In a group of 50 people, 35 speak Hindi, 25 speak both English and ...

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  8. Out of 500 car owners investigated, 400 owned car A and 200 owned c...

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  9. A market research group conducted a survey of 2000 consumers and re...

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  10. A survey shows that 63% of the Americans like cheese 4 whereas 76% lik...

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  11. A college warded 38 medals in football, 15 in basketball and 20 in ...

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  12. If A and B are two sets such that n(AuuB)=50 ,\ n(A)=20\ a n d\ n(B)=3...

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  13. If X and Y are two sets such that X has 40 elements, X uuY has 60 e...

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  14. In a school there are 20 teachers who teach mathematics or physics....

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  15. In a group of 70 people, 37 like coffee, 52 like tea and each perso...

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  16. Let A and B be two sets such tat : n(A)=20 ,\ n(AuuB)=42\ a n d\ n(Ann...

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  17. Let A and B be two sets such tat : n(A)=20 ,\ n(AuuB)=42\ a n d\ n(Ann...

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  18. Let A and B be two sets such tat : n(A)=20 ,\ n(AuuB)=42\ a n d\ n(Ann...

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  19. A survey shows that 76% of the Indians like oranges, whereas 62%like ...

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  20. In a group of 950 persons, 750 can speak Hindi and 460 can speak En...

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