Adaptive Practice
Probability
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Easy
A fair six-faced die is rolled once. What is the probability of getting a number greater than 4?
Easy
From a well-shuffled deck of 52 cards, what is the probability of drawing a King?
Easy
A bag contains 5 red, 3 green, and 2 blue balls. If one ball is drawn at random, what is the probability that it is not green?
Easy
Two coins are tossed simultaneously. What is the probability of getting at least one head?
Medium
A number is selected at random from 1 to 50. What is the probability that the number is a multiple of 5 or 7?
Medium
A box contains 4 white, 6 black, and 5 red balls. Two balls are drawn one after another without replacement. What is the probability that both are black?
Medium
A card is drawn from a deck of 52 cards. What is the probability that the card drawn is either a Queen or a Heart?
Hard
In a class of 40 students, 25 like cricket, 18 like football, and 10 like both. What is the probability that a randomly selected student likes either cricket or football?
Medium
A bag contains 3 white and 2 black balls. Two balls are drawn one after another with replacement. What is the probability that both balls are white?
Easy
A box contains 10 balls numbered 1 to 10. One ball is drawn at random. What is the probability that the number on the ball is a prime number less than 10?