If an event cannot occur,then its probability is

If $P(A) = 0.54$,then $P(\overline{A}) = \ldots$

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

Find the probability that a leap year has $53$ Thursdays.

Two balanced dice are rolled. Find the probability that the sum of numbers on two dice is odd.

The probability of scoring $100$ marks in a question paper of $100$ marks is ................