Potential energy is the energy stored in an object due to its position or shape.
A bag contains 5 green, 7 yellow, 3 red, and 6 blue marbles. If a single marble is chosen at random from the bag, what is the probability that it is yel...
In a factory which manufactures calculators, machines A, B and C manufacture respectively 25%, 35% and 40% of the calculators. Of their outputs, 5, 4 an...
21 rotten bananas are accidentally mixed with 135 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).
What is the Probability of getting a sum of ‘9’ on rolling a dice twice?
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
A person can hit a target 3 times out of 8 shots. If he fires 10 shots, what is the probability that he will hit the target twice
A bag contains 3 black and 9 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
A biased six-faced dice when thrown, is thrice as likely to show an odd number than an even number. If it is thrown twice, then the probability that the...
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...