O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Chance and Probability, Exercise 4: Exercise

An ordinary die is rolled. What is the probability that the number of dots on its upper face is an even number.

An ordinary die is rolled. What is the probability that the number of dots on its upper face is $7$.

A jar contains $3$ white, $4$ blue, $5$ red and $2$ green marbles. If a marble is drawn at random from the jar, what is the probability that the marble is white.

A jar contains $3$ white, $4$ blue, $5$ red and $2$ green marbles. If a marble is drawn at random from the jar, what is the probability that the marble is red.

A jar contains $3$ white, $4$ blue, $5$ red and $2$ green marbles. If a marble is drawn at random from the jar, what is the probability that the marble is blue.

A jar contains $3$ white, $4$ blue, $5$ red and $2$ green marbles. If a marble is drawn at random from the jar, what is the probability that the marble is green.

A jar contains $3$ white, $4$ blue, $5$ red and $2$ green marbles. If a marble is drawn at random from the jar, what is the probability that the marble is not white.

A jar contains $3$ white, $4$ blue, $5$ red and $2$ green marbles. If a marble is drawn at random from the jar, what is the probability that the marble is not red.