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For two events A and B, let P(A) = 0.7 a...

For two events A and B, let P(A) = 0.7 and P(B) = 0.6. The necessarily false statement(s) is/are

A

`P(A cap B)=0.35`

B

`P(A cap B)=0.45`

C

`P(A cap B)=0.65`

D

`P(A cap B)=0.28`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2014-MULTIPLE CHOICE QUESTIONS
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  3. Let X(n)={z=x+iy:|z|^(2) le (1)/(n)} for all integers n ge 1. Then cap...

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  4. Applying Lagrange's Mean Value Theorem for a suitable function f(x) is...

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  5. The equation of hyperbola whose coordinates of the foci are (pm8,0) a...

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  6. A student answers a multiple choice question with 5 alternatives, of ...

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  7. "cos"(2pi)/(7) +"cos"(4pi)/(7)+"cos"(6pi)/(7)

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  8. Suppose M= int(0)^(pi//2) (cos x)/(x+2) dx, N=int(0)^(pi//4) (sinx" "c...

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  9. For any two real numbers theta and varphi, we define thetaR varphi if ...

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  17. The angle of intersection between the curves y=[|sinx| +|cosx|] and x^...

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  18. Let f(x)={(int(0)^(x)|1-t|dt",",x gt1),(x-(1)/(2)"," , x le 1):} The...

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  19. If the circle x^(2)+y^(2)+2gx+2fy+c=0 cuts the three circles x^(2)+y^(...

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  20. For two events A and B, let P(A) = 0.7 and P(B) = 0.6. The necessarily...

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