In bag A there are 5 white and 8 red balls,in bag B there are 7 white and 6 red balls and in bag C there are 6 white and 5 red balls. One ball is taken out at randomfrom each bag.The probability that all the three balls are of the same colour is
A die is rolled.If the outcomes is ann odd number, the probability that it is a prime number is?
If E and F are two events such that P(F)=0.35, P(Eor F) = 0.85 and P(E and F )=0.15, find P(E)
A and B appear for an interview for two posts.The probability of A's selection is (1/3) and that of B's selection is (2/5).Probability that only one of them will be selected is:
In a certain school, 20% of the students failed in English, 15% failed in Mathematics and 10% failed in both English and Mathematics.A student is selected at random.If he failed in English, probability he also failed in Mathematics is?
A problem in Statistics is given to three students whose chances of solving it are 1/2,1/3 and 1/4 respectively.Probability that only one of them solves it correctly is?
Two cards are drawn without replacement from a well-shuffled pack of 52 cards.What is the probability that one is queen of red colour and the other is a king of black colour?
A can solve 80% of the problems in a book while B can solve 60% .What is the probability that at least one of them will solve a problem selected at random from the book?
A problem is given to three students whose chances of solving it are 1/4,1/5 and1/6 respectively.Find the probability that the problem is solved
A class consists of 70 students, 20 of them are girls; 8 of them are rich and the remaining 62 are poor ; 25 of them are fair -complexioned and the remaining 45 are dark .What is the probabibility of selecting a fair complexioned rich girl?