It is known that the probability of a ma...

It is known that the probability of a male birth is `(1)/(2)`, then the probability of a least one boy and one girl in a family of 6 children is -

`(31)/(32)`

`(63)/(64)`

`(57)/(64)`

none of these

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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 6

If f(2x+3)=sinx+2^(x), then the value of f(4m-2n+3) is -
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If l(x) is the integer not less than x and g(x) is the greatest intege...
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It is known that the probability of a male birth is (1)/(2), then the ...
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Let X represent the difference between the number of heads and the n...
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The inverse of the matrix [(cos2theta, -sin2theta),(sin2theta, cos2th...
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If [(a(11),a(12),a(13)),(a(21),a(22),a(23)),(a(31),a(32),a(33))]=[(1,2...
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If 2X+[(1,2),(3,4)]=[(3,8),(7,2)], then the matrix X is equal to -
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If A=[(alpha,2),(2,alpha)] and |A^(3)|=125, then the value of alpha ...
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From a set of 100 cards numbered 1 to 100, one card is drawn at random...
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Two persons A and B take turns in throwing a pair of dice. The first p...
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A fair coin is tossed n times. The probability of getting head at leas...
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A card is drawn from an ordinary pack of 52 cards and a gambler bets ...
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Out of 30 consecutive natural numbers, 2 are chosen at random. The pr...
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The projection of the vector vec alpha=2hati+3hatj+2hatk on the vector...
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If the position vectors of the points A, B, C, D are hati+hatj+hatk,...
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Let OP = 21 where O is the origin, if the direction radios of OP are p...
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The vector equation of the line passing through the point (3, -1, 2) a...
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