Q: A bag contains 4 white and 2 black balls and another bag contains 3 of each colour. A bag is selected at random and a ball is drawn at random from the bag chosen. The probability of the white ball drawn is
(a)1⁄3
(b)1⁄4
(c)5⁄12
(d)7⁄12
Correct Answer: (d)
The correct answer is (d) '7⁄12'. This question from the Quantitative Aptitude & Data Interpretation domain tests knowledge of Statistics & Probability.