A box contains 12 yellow marbles, ‘x’ blue marbles and 12 white marbles. A box contains 5 yellow marbles, 2 blue marbles and 3 white marbles. The ...
A bag contains 8 red flowers and 11 yellow flowers. One flower is drawn at random. What is the probability that the flower drawn is a yellow flower?
A bag contains (K - 2) red balls, 8 black balls, and 14 blue balls. If two balls are drawn randomly, the probability that both are black is 2/27. Calcul...
A bag contains 4 green balls, 11 red balls, and 3 white balls. Two balls are drawn at random. Find the probability that the two balls are red.
All the sides of a 3-inch solid cube are painted. The cube is then cut into cubes of equal size to 1 inch each. If a cube is chosen at random, what is t...
In a deck of 52 cards, what is the probability of drawing either a king or a heart?
Two unbiased dice are rolled. What is the probability that the first die shows a composite number and the second die shows a prime number?
- A bag contains 6 yellow balls, 8 purple balls, and 4 black balls. Two balls are drawn at random. Find the probability that the two balls are purple.
In a box there are 8 red, 7 blue, and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?
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 ...
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