Question 6

An unbiased die with faces marked 1, 2, 3, 4, 5 and 6 is rolled 4 times. Out of four face values obtained, the probability that the minimum face value is not less than 2 and the maximum face value is not greater than 5 is


a) 16/81

b) 1/81

c) 80/81

d) 65/81

IIT 1993

Your Answer

ABCD   CLEAR