Question
There are 5 Red caps, 3 Green caps and 2 Blue caps in a
box. 4 caps are chosen at random. What is the probability of their being 2 Red and 2 Blue caps?Solution
Three cards are drawn one after another with replacements from a pack of cards. What is the probability of getting the first card a Jack, the second car...
Two players, A and B, play a tennis match. It is known that the probability of A winning the match is 0.65. What is the probability of B winning the mat...
A bag contains 35 white and some black balls. If the probability of drawing a black ball from the bag is 1.8 times that of drawing a white ball, find th...
The probability of selecting a rotten apple randomly from a heap of 900 apples is 0.18. What is the number of rotten apples in the heap?
...A container holds 15 orange, 9 purple, and 6 gray balls. If 2 balls are picked at random without replacement, find the probability that the first ball i...
20 rotten bananas are accidentally mixed with 134 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
A bag contains 7 red gems, 8 yellow gems and 5 green gems . 3 gems are drawn randomly. What is the probability that the
A basket contains 8 pink, 12 violet, and 5 indigo balls. If 2 balls are picked at random without replacement, find the probability that the first ball i...
A bag contains 20 black and 22 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...A bag contains 19 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find the nu...
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