Adaptive Practice
Probability
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Question 1 of 8
⏱ 0:30
Easy
A fair six-sided die is rolled once. What is the probability of getting a number 4?
Easy
In a bag, there are 5 red balls and 3 green balls. If one ball is picked at random, what is the probability that it is green?
Easy
A spinner is divided into 4 equal parts coloured red, blue, green, and yellow. What is the probability that the spinner lands on either red or blue?
Medium
Rahul tosses two coins simultaneously. What is the probability that both coins show heads?
Medium
A bag contains 4 white balls and 6 black balls. Two balls are drawn one after another without replacement. What is the probability that both balls are white?
Medium
In a box, there are 3 red, 4 blue, and 5 green marbles. One marble is drawn at random. What is the probability that the marble is not blue?
Hard
A card is drawn from a standard deck of 52 cards. What is the probability that the card is a King or a Heart?
Hard
In a cricket tournament, a player has a 0.3 probability of scoring a century in a match. If he plays 3 matches, what is the probability that he scores at least one century?