Out of $5$ girls and $3$ boys,$4$ children are to be randomly selected for a quiz contest. What is the probability that all the selected children are girls?

$A$ and $B$ toss a coin alternatively,the first to show a head being the winner. If $A$ starts the game,the chance of his winning is

$A$ bag contains $3$ red balls,$5$ yellow balls,and $7$ pink balls. If one ball is drawn at random from the bag,what is the probability that it is either pink or red?

There are $3$ urns $A, B$,and $C$. Urn $A$ contains $4$ red balls and $3$ black balls. Urn $B$ contains $5$ red balls and $4$ black balls. Urn $C$ contains $4$ red balls and $4$ black balls. One ball is drawn from each of these urns. What is the probability that the $3$ balls drawn consist of $2$ red balls and $1$ black ball?

One card is drawn from a pack of $52$ cards. The probability that it is a king or a diamond is

The probability of getting the number $5$ when throwing a standard six-sided die is: