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Quantitative Aptitude

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Permutation, Combination & Probability

Question
6 out of 20
 

From each of the four married couples, one of the partners is selected at random. The probability that those selected are of the same sex is



A ½
B ¼
C 1/8
D 1/16
E None of These

Ans. C {M,F,M,F,M,F,M,F}

So event be MMMM or FFFF

So, PE. =

Permutation, Combination & Probability Flashcard List

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