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The Royal Swedish Academy of Sciences has announced the 2023 Nobel Prize in Chemistry. This time the award “For the discovery and synthesis of quantum dots” went to Maungi Ji. Bawendi, Lewis E. Bruce and Alexey I. Ekimov
A box contains 5 white, 6 green, 3 red, and 5 yellow marbles. If three marbles are chosen randomly, what is the probability that all three selected marb...
A box contains 6 red balls, 5 green balls, and 4 blue balls. Two balls are drawn at random. What is the probability that one ball is red and the other i...
Tokens numbered 1 to 350 are in a bag. What is the probability that the Token drawn has a number which is a multiple of 6 or 7?
In a class of 30 students, 18 students like mathematics, 15 like science, and 8 like both subjects. What is the probability that a randomly selected stu...
A bag contains 5 red balls, 6 blue balls, and 9 green balls. Two balls are drawn at random without replacement. What is the probability that both balls ...
A bag contains 16 black and 18 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
A box contains (x + 3) black balls, 6 yellow balls, and 5 orange balls. If two balls are selected at random and the probability of selecting two orange ...
A bag contains 8 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 num...
48 pens are there in a box where 22 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blu...
A bag contains 5 red bottles, 6 yellowbottles and 8 greenbottles . 3bottles are drawn randomly. What is the probability that...