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Quantitative Aptitude

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Permutation, Combination & Probability

Question
5 out of 20
 

A jar contains 3 red marbles, 7 green marbles and 10 white marbles. If a marble is drawn from the jar at random, what is the probability that this marble is white?



A 1/3
B 3/20
C 7/20
D ½
E None of These

Ans. D Total = 3 + 7 + 10 = 20

White marbal =

Permutation, Combination & Probability Flashcard List

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