Question

A bag contains 10 black and 12 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?

A 5/11 Correct Answer Incorrect Answer
B 6/13 Correct Answer Incorrect Answer
C 6/11 Correct Answer Incorrect Answer
D 7/11 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

Let number of balls = (10 + 12) = 22 Number of white balls = 12 P (drawing a white ball) = 12/22 = 6/11

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