ProbabilityHard
Question
A bag contains 6 black and 5 white balls, while the second bag contains 7 black and 4 white balls. Two balls are drawn one from each bag, the probability of both being black is-
Options
A.2/11
B.11/13
C.20/21
D.42/21
More Probability Questions
A bowl has 6 red marbles and 3 green marbles. The probability that a blind folded person will draw a red marble on the s...Odds 8 to 5 against a person who is 40 years old living till he is 70 and 4 to 3 against another person now 50 till he w...A coin is tossed three times. The probability of getting all heads or tails only is-...A 2n digit number starts with 2 and all its digits are prime, then the probability that the sum of all 2 consecutive dig...A & B throw with one dice for a stake of Rs. 99/- which is to be won by the player who first throws 4. If A has the firs...