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A university has to select an examiner from a list of 50 persons. Out of these 50 persons, 20 are women and 30 are men. 10 persons know hindi and 40 do ...
In a game, there are 12 cards, 5 of which are red and the rest are blue. If 2 cards are drawn at random, the question is to determine the probability th...
12 Marbles and 12 balls are kept in a box. If 4 items are chosen at random, Find the probability that 2 is a marble and another 2 is ball
A box contains 8 red, 5 green, and 7 blue balls. Two balls are drawn at random without replacement. What is the probability that both balls drawn are of...
A bag holds 'a' red bands and 5 green bands. If two bands are drawn sequentially at random without replacement, the probability that both selected bands...
A bag contains B red balls and 9 purple balls. If two balls are drawn at random, one after the other without replacement, and the...
A bag contains 9 black and 10 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...Two Dice are thrown simultaneously. Find the probability that the number on the first dice is more than the number of 2nd Dice.
A box contains 6 red, 5 green, and 4 blue balls. Two balls are drawn randomly. What is the probability that they are of different colors?
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, find t...
