A bag contains blue and red balls. Two balls are drawn randomly without replacement. The probability of selecting a blue and then a red ball is 0.

1. A bag contains blue and red balls. Two balls are drawn randomly without replacement. The probability of selecting a blue and then a red ball is 0.2. The probability of selecting a blue ball in the first draw is 0.5. What is the probability of drawing a red ball, given that the first ball drawn was blue? a) 0.4 b) 0.2 c) 0.1 d) 0.5

2. A die is rolled thrice. What is the probability that the sum of the rolls is atleast 5. a) 1/216 b) 1/6 c) 3/216 d) 213/216