O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Chance and Probability, Exercise 6: Revision Exercise

Rolling the number $7$ on a standard die is an impossible event.

If your chances of being stuck in a traffic jam are $\frac{1}{\mathrm{10,000}}$, it is a likely event.

A bag holds $4$ green marbles, $3$red marbles and $5$ blue marbles.
The probability of pulling out a red marble is $\frac{1}{3}$.

The probability of a certain event is $1$.

The probability of drawing a red card from a pack of $52$ playing cards is $\frac{1}{2}$.

The probability that Sanchit will draw a vowel card from five cards bearing the letters $\mathrm{a}, \mathrm{e}, \mathrm{i}, \mathrm{o} \& \mathrm{u}$ is

You and seven friends contribute money for a gift. Every one’s name is put in a hat. The person whose name is chosen gets the gift. What is the probability of your getting the gift?

What is the probability of choosing a vowel from the letters of the word “PENCIL”?