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

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

A

6

B

36

C

15

D

none of these.

Text Solution

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The correct Answer is:
C
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MARVEL PUBLICATION-SETS, RELATIONS AND FUNCTIONS-MCQs
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  2. If (1, 3), (2, 5) and (3, 3) are the three elements of A xx B and the ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. If f(x)=3x+b and f(1)=8 then: b=

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  20. If f(x)=ax+b, where f(0)=3 and f(1)=5, then: (a,b)-=

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