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

If `A` = {x : x is a multiple of 3} and, `B` ={x : x is a multiple of 5}, then `A-B` is

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RD SHARMA ENGLISH-SETS-All Questions
  1. If A and B are two sets such that n(A)=115 ,\ n(B)=326 ,\ n(A-B)=47 , ...

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  2. For any set A ,(A ')' is equal to a.A ' b. A c. varphi d. none of thes...

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  3. Let A and B be two sets in the same universal set. Then, A-B= A\ nnB ...

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

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  5. For any two sets A and B Ann(AuuB)= a.B b. A c. varphi d. none of the...

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  6. 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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  7. The symmetric difference of A and B is equal to

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

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  9. For any two sets A and B, (A-B)uu(B-A)=? a.(A-B)uuA b. (B-A)uuB ...

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

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  11. For any three sets A, B, and C Ann(B-C)=(AnnB)-(AnnC)

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

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

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

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  15. In set builder method the null set is represented by

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  16. If A and B are two disjoint sets, then n(AuB) is equal to a.n(A)+n(B) ...

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  17. For two sets A and B; AuuB is equal to:

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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 5}, ...

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

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