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If n (x) = 12, n (Y) = 10 and n (Xcap Y)...

If n (x) = 12, n (Y) = 10 and n `(Xcap Y) = 8`, then the value of of `n(XcupY)`is

A

a)0

B

b)1

C

c)-1

D

d)2

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 8-EXERCISE
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  3. In the expansion of(2x^2-3)^7(x+1)^3,the sum of numerical co-efficient...

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  5. Equation of directrix of a parabola 2x^2=3y is

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  6. Equation of a straight line, parallel to x-axis and passes through (0,...

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  8. The value’oflim(xrarr5)|x-5|/(x-5)is

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  9. If P(x)=0.65,P(Y)=0.15,then the value of P(barX)+P(barY)is

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  10. The varience of 1st 20 natural number is

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  11. A and B are two sets, such that n(A) = 30. n(B)= 25 and n(AcupB)=40.c...

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  12. Find the domain for which the function f(x)=3x^2-2xand g(x)=9x-6 are ...

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  15. Calculate the modulus of(1+2i)/(2-i)

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  16. The sum of the co-efficient of the expansion of (a^4x^2-2a^2x+1)^101is...

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  17. If ^(2n)C3:^nC3=11:1find the value of n.

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  18. Find the vaue of 9^(1/3)9^(1/9)9^(1/27)...oo

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  19. The co-ordinate of three vertices and centroid of a triangle are (x, ...

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