Probability Doubts
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A box contains 10 black balls, 7 white balls and 12 blue balls. A ball is drawn at random. What is the probability that the ball drawn is either black or white?
a) 7/29
b) 12/29
c) 17/29
d) 10/29
e) None of these
Posted : 06/03/2021 6:36 pm
Posted : 21/03/2021 11:44 pm
