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If A, B and C are three sets such that A...

If A, B and C are three sets such that `AnnB""=""AnnC` and `AuuB""=""AuuC` , then (1) `A""=""B` (2) `A""=""C` (3) `B""=""C` (4) `AnnB""=varphi`

A

`A=C`

B

`B=C`

C

`AnnB=phi`

D

`A=B`

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The correct Answer is:
B
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DISHA PUBLICATION-SETS-EXERCISE-2 : CONCEPT APPLICATOR
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  4. Let A, B, C be finite sets. Suppose that n(A)=11,n(B)=16,n(C )=21,n(An...

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  5. Which of the following in a null set :

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  7. Let F(1) be the set of parallelograms, F(2) the set of rectangle , F(...

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  8. Which is the simplified representation of (A' cap B' cap C) cup (B cap...

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  9. If A={a,{b}}, then P(A) equals.

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  12. In a certain town 25% families own a phone and 15% own a car 65% own n...

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  13. The number of elements in the set {(a,b):2a^(2)+3b^(2)=83,a,binZ}, w...

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  14. Let N be the set of non-negative integers, I the set of integers, N(p)...

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  15. In a survey of 400 students in a school, 100 were listed as taking app...

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  16. Universal set U={x|x^5-6x^4+11x^3-6x^2=0} A={x|x^2-5x+6=0} B={x|x^...

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  17. In a school 80 students like chocolate, 40 like coffee if the number o...

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  18. Let U be the universal set for sets A and B such that n(A) =200 ...

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  19. One of the partitions of the set {1,2,5,x,y,sqrt(2),sqrt(3)} is

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  20. Let A,B and C be finite sets such that AnnBnnC=phi and each one of th...

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