A box contains 6 white and 4 black balls. Two balls are drawn at random without replacement. What is the probability that both are white?

Topic: Probability
Subtopic: Without Replacement

A1/3

B2/5

C7/15

D1/2

Explanation

Favorable ways = C(6, 2) = 15. Total ways = C(10, 2) = 45. Probability = 15 / 45 = 1/3.

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