List of top Mathematics Questions on Basics of Probability asked in UP Board X

A bag contains 5 black, 7 red and 3 white balls. One ball is drawn at random. Find the probability of drawing the ball is (i) red (ii) black (iii) not black.
When a die is thrown once, the probability of getting an even number will be:
A die is thrown once, the probability of getting an even number will be:
One card is drawn from a well-shuffled pack of 52 cards, find the probability of getting:
(i) A king of red colour
(ii) A face card
Which of the following cannot be the probability of any event?