If a number is selected at random from one-digit natural numbers,the probability of that number being a multiple of $3$ is ..... .

If $P(A) : P(\overline{A}) = 4 : 1$,then $P(\overline{A}) = \ldots$

Two unbiased dice are thrown once. Write all the possible outcomes of this experiment. What is the probability that the sum of numbers on two dice is greater than $9$?

The probability that a non-leap year selected at random will contain $53$ Sundays is

The probability expressed as a percentage of a particular occurrence can never be

The probability of a non-leap year having $53$ Fridays is $\ldots \ldots \ldots$