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Quantitative Aptitude

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Permutation, Combination & Probability

Question
28 out of 29
 

A basket contains 4 red, 5 blue and 3 green marbles


If three marbles are picked at random what is the probability that either all are green or all are red



A
B
C
D
E None of these

Ans. D All are green =

All are red =

=

Permutation, Combination & Probability Flashcard List

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