$A$ card is drawn from a well-shuffled deck of $52$ cards. Find the probability of drawing a face card.

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?

If a coin is tossed $n$ times,then the probability that the head comes up an odd number of times is:

Study the given information carefully and answer the questions that follow: $A$ basket contains $4$ red,$5$ blue and $3$ green marbles. If $3$ marbles are picked at random,what is the probability that at least $1$ is blue?

$A$ locker can be opened by dialing a fixed three-digit code (between $000$ and $999$). $A$ stranger who does not know the code tries to open the locker by dialing three digits at random. The probability that the stranger succeeds at the $k^{th}$ trial is

Two dice are tossed. The probability that the total score is a prime number is