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 10
A bag contains 3 red balls and 2 blue balls. If one ball is drawn at random, what is the probability that it is blue?
A bag contains 4 white and 6 black balls. If one ball is drawn at random, what is the probability that it is white?
A bag contains 5 green, 3 yellow, and 2 red balls. If a ball is picked at random, what is the probability that it is not yellow?
A box contains 8 pens, 3 of which are blue and the rest are black. If a pen is selected at random, what is the probability that it is black?
A bag contains 3 red balls and 2 blue balls. If one ball is drawn at random, what is the probability that it is blue?
A bag contains 4 white and 6 black balls. If one ball is drawn at random, what is the probability that it is white?
A bag contains 5 green, 3 yellow, and 2 red balls. If a ball is picked at random, what is the probability that it is not yellow?
A box contains 8 pens, 3 of which are blue and the rest are black. If a pen is selected at random, what is the probability that it is black?
If the probability of an event is 0, the event is (1) Certain (2) Impossible (3) Likely (4) Unlikely
Which of the following cannot be the probability of an event? (1) 0.5 (2) 1.2 (3) 0 (4) 1
Which of the following is a random experiment? (1) Tossing a coin (2) Measuring the length of a table (3) Reading a book (4) Writing an essay
Which of the following is not a possible value for probability? (1) 0 (2) 1 (3) -0.2 (4) 0.75
Fill in the blank: The probability of an event E is always between _______ and _______.
Fill in the blank: The probability of an event that is certain to happen is _______.
Fill in the blank: The probability of an event that is neither certain nor impossible is _______.
Fill in the blank: The probability of getting an even number when a die is rolled is _______.
True or False: Probability can never be negative.
True or False: The probability of an event and its complement always add up to 1.
True or False: The probability of an event can be greater than 1.
True or False: The sum of probabilities of all possible outcomes of a random experiment is 1.
