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If P(x)=0.65,P(Y)=0.15,then the value of...

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

A

a)1.2

B

b)1.5

C

c)1.4

D

d)1.3

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 8-EXERCISE
  1. The derivative of the function f(x) =I x I^3 at x = 0 is

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

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

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  4. The varience of 1st 20 natural number is

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

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

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  7. Simplify: (cos(90^@+theta)sec(-theta)tan(180^@-theta))/(sec(360^@+thet...

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  8. In /\ABC.if cos A=(sinB)/(sinC),then show that the triangle is right a...

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

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

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

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

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

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  14. The equation of one arm of a equilateral triangle is x + y = 2 and th...

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  15. If y=x^nlogax(a>0,a!=1),then show that logea(xy1-ny)=x^n

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  16. Evaluate' : lim(xrarroo)(1-sqrtx)/(1+sqrtx)

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  17. If A and B are two events., such that P(A) = P(B)-= 1, then Prove that...

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  18. Find that mean deviation from Arithmetic mean of the' natural numbers ...

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  19. A market research group conducted a survey of 500 consumers and report...

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  20. If alphaand betaare positive acute angles and cos2alpha=(3cos2beta-1)/...

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