The probability that a leap year will have $53$ Fridays or $53$ Saturdays is

$A$ dice is rolled and a coin is tossed. Find the probability that the die shows an odd number and the coin shows a head.

Study the given information carefully to answer the question that follows. An urn contains $4$ green,$5$ blue,$2$ red,and $3$ yellow marbles. If $3$ marbles are drawn at random,what is the probability that at least $1$ is yellow?

From a pack of playing cards,three cards are drawn simultaneously. The probability that these are one king,one queen,and one jack is:

Three integers are chosen at random from the first $20$ integers. The probability that their product is even is:

Six boys and six girls sit in a row randomly. What is the probability that the six girls sit together?