Adaptive Practice
Probability
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Easy
A bag contains 5 red balls and 3 green balls. If one ball is drawn at random, what is the probability that it is red?
Easy
Two coins are tossed simultaneously. What is the probability of getting exactly one head?
Easy
A die is rolled once. What is the probability of getting a number greater than 4?
Medium
From a deck of 52 cards, one card is drawn at random. What is the probability that the card drawn is a King or a Heart?
Medium
Two dice are rolled. What is the probability that the sum of the numbers on the dice is 9?
Medium
A box contains 10 bulbs, out of which 3 are defective. If two bulbs are drawn at random without replacement, what is the probability that both are defective?
Hard
A bag contains 4 white, 5 black, and 6 red balls. Two balls are drawn at random. What is the probability that both balls are of different colors?
Hard
From a group of 7 men and 6 women, a committee of 4 is to be formed such that it has at least 2 women. What is the probability that the committee has exactly 3 women?
Hard
A box contains 8 balls numbered 1 to 8. Two balls are drawn at random without replacement. What is the probability that the number on the second ball is greater than the number on the first ball?
Medium
A card is drawn from a well-shuffled deck of 52 cards. What is the probability that the card is either a Queen or a face card? (Face cards are Jack, Queen, King)