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

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

The probability of the month of April of a leap year having $5$ Fridays is $\ldots \ldots \ldots$

All the jacks,queens,and kings are removed from a deck of $52$ playing cards. The remaining cards are well shuffled,and then one card is drawn at random. Giving ace a value of $1$ and similar values for other cards,find the probability that the card has a value:
$(i)$ $7$
$(ii)$ greater than $7$
$(iii)$ less than $7$

$A$ balanced die is rolled twice. Then,the probability of the sum of numbers received in these two trials being even is ...........

In a packet containing $400$ screws,$120$ screws are defective. $A$ screw is picked up randomly from the packet. Then,the probability that the screw picked up is non-defective is .........