NDA 2024 Mathematics question

A box contains 2 black, 4 yellow and 6 white balls. Three balls are drawn in succession with replacement. What is the probability that all three are of the same colour?

(A)1/6Correct
(B)1/36
(C)1/12
(D)5/12

Answer: (A)

Solution

There are 12 balls and the draws are with replacement, so in each draw , , $P(white) =

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Question ID VK-029997