R. D. Sharma Solutions for Chapter: Probability, Exercise 4: MULTIPLE CHOICE QUESTIONS (MCQs)

In a single throw of a die, the probability of getting a multiple of $3$ is 

The probability of guessing the correct answer to a certain test questions is $\frac{x}{12}$. If the probability of not guessing the correct answer to this question is $\frac{2}{3}$, then $x=$

A bag contains three green marbles, four blue marbles, and two orange marbles. If a marble is picked at random, then the probability that it is not an orange marble is

A number is selected at random from the numbers $3, 5, 5, 7, 7, 7, 9, 9, 9, 9$. The probability that the selected number is their average is

The probability of throwing a number greater than $2$ with a fair die is

A card is accidentally dropped from a pack of $52$ playing cards. The probability that it is an ace is

A die is thrown once. The probability of getting a prime number is

A card is drawn at random from pack of $52$ cards. The probability that the drawn card is not an ace is