The probability that three students A, B and C solve a problem is 3/5, 7/ 9 and 1/3 respectively. What is the probability that the problem is solved?
There are 'x' one-rupee coins, 'x + 5' two-rupee coins, and 'x - 5' five-rupee coins in a purse. Two coins are drawn from the purse without replacement,...
A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 1.3 times that of drawing a white ball, ...
One five letter word is to be formed taking all letters – U, Z, M, O and Q. What is the probability that this is word formed will contain all vowe...
A bag contains 5 red flowers, 7 yellow flowers and 8 green flowers. 3 flowers are drawn randomly. What is the probability that the flowers drawn contain...
A is trying to break a bulb by throwing balls at it. If he hits the bulb 3 times in every 10 throws and bulb breaks 3 times out of 13 hits, then find th...
The probability of selecting a rotten apple randomly from a heap of 1050 apples is 0.36. What is the number of rotten apples in the heap?
In a lottery, there are 6 prizes and 30 blanks. A lottery is drawn at random. What is the probability of getting a prize?
36 pens are there in a box where 12 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blu...