Multiple choice

An urn contains 4 white and 2 red balls. Another urn contains 5 white and 3 red balls. One ball is drawn from each bag. The probability that both of them are white is

  1. 5/12

  2. 1/2

  3. 5/24

  4. 10/21

  5. 1/24

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Probability of getting a white ball from first urn is, P(W1)=4/6 = 2/3. Probability of getting a white ball from second urn is, P(W2)= 5/8. Therefore, the required probability that both the balls are white is = 2/3 × 5/8 = 5/12.