A box contains 4 white and 6 black balls. A ball is drawn and not replaced. Then another ball is drawn. The probability that both are white is: MCQ with Answer and Explanation

Question

A box contains 4 white and 6 black balls. A ball is drawn and not replaced. Then another ball is drawn. The probability that both are white is:

A. 1/6

B. 6/90

C. 12/90

D. 2/15

Answer: Option D

Solution (By JKSSB Mock Tests)

(4/10)×(3/9)=12/90=2/15.

This question belongs to: Accountancy and Statistics Statistics

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