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Quantitative Aptitude

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Permutation, Combination & Probability

Question
14 out of 20
 

Three coins are tossed. Find the probability of at least one head and one tail?



A 1/2
B 1/4
C 3/4
D 1/3
E None of These

Ans. C When three coins are tossed then following thing happened {HTT, HTH, HHT, HHH, THH,THT, TTH, TTT}

Probability =

Permutation, Combination & Probability Flashcard List

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