There are chits numbered $1$ to $20$ in a box. One chit is drawn at random. Find the probability that the number on the chit is an odd number.

The probability of the month of April in any year having $5$ Sundays is ......... (in $/7$)

Cards with numbers $2$ to $101$ are placed in a box. $A$ card is selected at random. Find the probability that the card has
$(i)$ an even number
$(ii)$ a square number

Apoorv throws two dice once and computes the product of the numbers appearing on the dice. Peehu throws one die and squares the number that appears on it. Who has the better chance of getting the number $36$? Why?

One ticket is drawn at random from a bag containing tickets numbered $1$ to $40$. The probability that the selected ticket has a number which is a multiple of $5$ is

$A$ card is drawn at random from a well-shuffled pack of $52$ cards. Find the probability that the card drawn is a queen.