Practice Probability Practice Questions with Detailed Solutions – Level 1

Two unbiased coins are tossed together. What is the probability of getting exactly one head?

An unbiased die is rolled once. What is the probability that the number shown is greater than 4?

Two dice are thrown simultaneously. What is the probability that the sum of the numbers on their faces is 8?

One card is drawn at random from a well-shuffled pack of 52 playing cards. What is the probability that it is either a king or a heart?

A bag contains 5 red, 3 blue and 2 green balls. One ball is drawn at random. What is the probability that it is not blue?

A bag contains 4 white and 6 black balls. Two balls are drawn one after the other without replacement. What is the probability that both balls are white?

A bag has 3 red and 2 yellow balls. A ball is drawn, its colour is noted and it is put back. A second ball is then drawn. What is the probability that both balls drawn are red?

Three unbiased coins are tossed together. What is the probability of getting at least one head?

Cards numbered 1 to 30 are put in a box and mixed well. One card is drawn at random. What is the probability that the number on the card is divisible by 4?

What is the probability that a leap year, selected at random, contains 53 Sundays?