If an event cannot occur,then its probability is

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 $2$?

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

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

The probability of the sun rising in the east is ..........

There are $6$ green,$5$ red,and $4$ blue identical balls in a bag. One ball is drawn at random from the bag. The probability that the ball drawn is not red is ...........