`A-(A-B)=`

A

`A cap B`

B

` A cap B`

C

`A cup B `

D

`A cap B`

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The correct Answer is:
D
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Which one of the following operations on sets is not correa where B' denotes the complement of B? a)(B'-A')U(A'-B')=(AUB)-(AnnB) b)(A-B)U(B-A)=(A'UB')-(A'nnB') c)(B'-A')n(A'-B')=(B-A)nn(A-B) d)(B'-A')n(A'-B')=(B-A')U(A'-B)

[A - (B - A)] uu [B - (A - B)]

Which of the following statement is false: A-B=A nn B b.A-B=A-(A nn B) c.A-B=A-B' d.A-B=(A uu B)-B

If A and B are two sets then (A-B)uu(B-A)=(A uu B)-(A nn B)

If A and B are two sets,then (A-B)uu(B-A)uu(A nn B) is equal to A uu B( b) A nn B( c) A (d) B

Simplify: b-[b-(a+b)-{b-(b-a-b)}+2a]

If AB=A and BA=B, where A and B are square matrices,then B^(2)=B and A^(2)=A (b) B^(2)!=B and A^(2)=A( c) A^(2)!=A,B^(2)=B (d) A^(2)!=A,B^(2)!=B

A-B is equal to a.(A uu B)-(A nn B), b.A nn B^(C), c.A nn B,d.B-A

MARVEL PUBLICATION-SETS, RELATIONS AND FUNCTIONS-MCQs
  1. If X and Y are two sets, then X nn (Y uu X) equals

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  2. Power set of the set A = {phi, {phi}} is

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  3. A-(A-B)=

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  4. If (1, 3), (2, 5) and (3, 3) are the three elements of A xx B and the ...

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  5. If n(A)=3,n(B)=5 and n(AcapB)=2, then: n(AxxB)=

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  6. the collection of intellgent students in a class is :

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  7. In a group of 1000 people, there are 750 who can speak Hindi and 400 w...

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  8. In Q.29 how many speak only hindi?

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  9. In Q.29 how many speak only bengali?

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  10. In a class of 100 students, 60 play cricket, 50 play Hockey and 30 pla...

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  11. In Q.32, has many play none of the two games?

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  12. Let n(U)=700, n(A)=200,n(B)=300 and n(AnnB)=100, then find n(A'nnB')

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  13. If A and B are subsets of the universal set E such that n( E)=50,n(A)=...

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  14. If A and B are subsets of the universal set X, where n(X)=50,n(A)=35,n...

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  15. If A and B are subsets of the universal set S such that n(S)=100,n(A')...

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  16. If A,B,C are subsets of the universal set U such that n(U)=692,n(B)=23...

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  17. In a class of 100 students, 55 students have passed in Mathematics and...

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  18. Q. In a college of 300 students, every student reads 5 newspaper and ...

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  19. If f is linear function such that f(2)=6 and f(3)=4, then: f(x)=

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  20. If f(x)=ax+5 and f(-1)=4, then: a=

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