If an event cannot occur,then its probability is

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

$A$ card is selected at random from a well-shuffled pack of $52$ cards. Find the probability that the selected card is not a king.

Two balanced dice are rolled simultaneously. Then,the probability that the sum of numbers on the dice is $12$ is ........

$A$ card is drawn at random from a well-shuffled pack of $52$ cards. The probability of that card being a picture card is ...........

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