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For any two sets A and B Ann(AuuB)= B b...

For any two sets A and B `Ann(AuuB)=` `B` b. `A` c. `phi` d. none of these

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GIven,`A∩(A∪B)`
=`(A∩A)∪(A∩B) ` =A
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RD SHARMA-SETS-Solved Examples And Exercises
  1. If A={(x ,\ y): y=e^x ,\ x in R}a n d\ B={(x , y): y=x, x in R} , th...

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  2. If A and B are two sets such that n(A)=20 ,\ n(B)=24\ a n d\ n(AuuB)=4...

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  3. If A and B are two sets such that n(A)=115 ,\ n(B)=326 ,\ n(A-B)=47 , ...

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  4. For any set A ,(A ')' is equal to a.A ' b. A c. phi d. none of these

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  5. Let A and B be two sets in the same universal set. Then, A-B= a.A\ n...

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  6. The number of all possible subsets of a set containing n elements ?

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  7. For any two sets A and B Ann(AuuB)= B b. A c. phi d. none of these

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  8. If A={1,3,5, B}a n d\ B={2,4} , then 4 in A b. {4}subA c. BsubA d. no...

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  9. the symmetric difference of A and B is not equal to (A-B)nn(B-A) (...

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  10. The symmetric difference of A={1,2,3}a n d\ B={3,4,5} is {1,2} b. {1,...

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  11. For any tow sets A and B, (A-B)uu(B-A)= a.(A-B)uuA b. (B-A)uuB c. (...

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  12. Which of the following statement is false: a .A-B=A-(AnnB) b. A-B=A-(...

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  13. Choose the correct answer: 1. If A, B and C are three sets and U is th...

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  14. Let A={x : x in R ,\ x >4} and \ B={x in R : x<5} . Then AnnB= (a) ...

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  15. Let A and B be two sets such that n(A)=16 ,\ n(B)=14 , n(AuuB)=25. The...

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  16. In set builder method the null set is represented by {} b. phi c. {x :...

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  17. If A and B are two disjoint sets, then n(AuuB) is equal to n(A)+n(B) b...

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  18. If A and B are two sets such that n(A)=70 ,\ n(B)=60 ,\ n(AuuB)=110 ,\...

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  19. If A = {x : x is a multiple of 3)and, B ={x : x is a multiple of }, th...

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  20. If AnnB=B , then a.AsubeB b. BsubeA c. A=phi d. B=phi

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