Probability
Math ⇒ Statistics and Probability
Probability starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Probability.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 9
A bag contains 3 red balls and 2 blue balls. What is the probability of picking a blue ball at random?
A bag contains 4 black and 6 white balls. If one ball is drawn at random, what is the probability that it is not black?
A bag contains 7 blue and 3 green balls. What is the probability of picking a green ball?
A bag contains 8 red, 5 blue, and 7 green balls. What is the probability of picking a ball that is not blue?
A box contains 5 green, 3 yellow, and 2 red marbles. What is the probability of picking a yellow marble?
A card is drawn at random from a standard deck of 52 cards. What is the probability that it is a heart?
A card is drawn from a deck. What is the probability that it is not a spade?
A coin is tossed three times. What is the probability of getting exactly two heads?
A coin is tossed. What is the probability of getting a tail?
A die is rolled once. What is the probability of getting a number greater than 4?
A die is rolled twice. What is the probability of getting a 6 both times?
A die is rolled. What is the probability of getting a prime number?
A number is chosen at random from 1 to 10. What is the probability that it is a multiple of 3?
A number is selected at random from 1 to 20. What is the probability that it is a multiple of 5?
If a card is drawn at random from a standard deck, what is the probability that it is a face card (Jack, Queen, or King)?
If a die is rolled, what is the probability of getting a number less than 3?
If an event is equally likely to happen or not happen, what is its probability?
If the probability of an event A is 0.7, what is the probability that event A does not occur?
If the probability of an event is 0.25, what is the probability of its complement?
If the probability of an event is 1, what can you say about the event?
