If $P(A)$ denotes the probability of an event $A$,then

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

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

$12$ defective ballpens are mixed with $132$ non-defective ballpens. They all look alike. $A$ ballpen is selected at random from that lot. Find the probability that a defective ballpen is selected.

Two balanced dice are rolled. Find the probability that the sum of numbers on two dice is a multiple of $5$.

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 smaller than $5$?