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ATQ, 
The chance that Nikhil can solve a certain problem is1/7, the chance that Tarun can solve it is3/5. Find the probability that the problem is solved if t...
The names of 8 students from section A, 9 students from section B and 10 students from section C were selected. The age of all the 27 students was diffe...
There are three boxes ‘A’, ‘B’ and ‘C’. Box ‘A’ contains 6 black and 12 white cubes, box ‘B’ contains 6black, and 8 white cubes and ...
Mohit is a teacher and he teach some students in two (Morning & evening) slots. There are 5 boys and ‘x’ girls in morning slot, while there are ‘x...
10 rotten bananas are accidentally mixed with 140 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
Given that E and F are events such that P(E) = 0.8, P(F) = 0.4 and P(E∩ F) = 0.2. Find P(F|E).
A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 6.25 times that of drawing a white ball,...
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 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 4 red balls, 5 blue balls, and 6 green balls. Two balls are drawn at random. What is the probability that both balls are of the same color?
