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If P(A cup B)=0.8 and P(A cap B)=0.3, th...

If `P(A cup B)=0.8 and P(A cap B)=0.3`, then P(A')+P(B') equals

A

0.3

B

0.5

C

0.7

D

0.9

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The correct Answer is:
B
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 23-Paper-2(MATHEMATICS)
  1. The differntial equation of all straight line passing through origin i...

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  2. The value of the integral int(1)^(3^(1//n)) (dx)/(x^(n)+1)is

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  3. The maximum value of x^(1//x) is

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  4. If P(A cup B)=0.8 and P(A cap B)=0.3, then P(A')+P(B') equals

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  5. [bxxc" "cxxa" "axxb] is equal to

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  6. let P be the point (1, 0) and Q be a point on the locus y^2= 8x. The l...

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  7. The equation of the hyperbola whose vertics are at (5,0) and (-5,0) an...

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  8. The value of lim(x to 0) ((e^(x)-1)/(x)) is

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  9. int (x+sin x)/(1+cos x) is equal to

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  10. The general solution of (dy)/(dx)=(2x-y)/(x+2y) is

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  11. In a Boolean Algebra B, for all x in B, x+x is equal to

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  12. The equation of the tangents to the ellipse 4x^(2)+3y^(2)=5, which are...

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  13. If {:A=[(alpha,0),(1,1)]andB=[(1,0),(5,1)]:}, then te value of alpha f...

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  14. If vec a\ is a non zero vecrtor iof modulus vec a\ a n d\ m is a no...

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  15. If the constraints in linear programming problem are changed

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  16. lim(n to oo) (3^(n)+4^(n))^(1//n) is equal to

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  17. (d^2 x)/(dy^2) is equal to :

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  18. int ((x+2)/(x+4))^2 e^x dx is equal to

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  19. Solution of the differential equation (dx)/(x)+(dy)/(y)=0 is

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  20. If [[x+y, 2x+z] , [x-y, 2z+w]]=[[4,7] , [0,10]] then the values of x,y...

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