A bowl contains 9 blue balls, 7 white, and 5 black balls. If 2 balls are drawn in one go, then the probability of exactly one ball being white is:
A letter is taken out at random from ‘ROORKEE’ and another is taken out from ‘BOOKKEEPER’. The probability that they are the same letter is
In a biased coin the probability of getting a head is 0.6, if we toss a coin 10times, what is the probability of getting exactly three heads?
In a lottery, there are 11 prizes and 30 blanks. A lottery is drawn at random. What is the probability of getting a prize?
A bag contains 10 red books, 7 yellowbooks and 7 greenbooks . 3books are drawn randomly. What is the probability that the
The names of 6 students from section A, 8 students from section B and 10 students from section C were selected. The age of all the 24 students was diffe...
Roger Federer play 3 sets of a tennis match. The probability of his winning the three sets are 1/9,1/4,3/4 respectively. What is the probability that he...
A basket contains (x + 4) red apples, (x + 6) green apples, and (x + 8) yellow apples. The probability of drawing a yellow apple from the basket is (7/2...
34 pens are there in a box where 10 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blu...
If a coin is tossed 10 times then what is the probability of getting three heads?
