What is the probability of getting a doublet when two dice are thrown?

The probability of getting a number greater than $2$ in throwing a die is

Three groups of children $A$, $B$, and $C$ contain boys and girls as given below. Group $A$ contains $3$ girls and $1$ boy, group $B$ contains $2$ girls and $2$ boys, and group $C$ contains $3$ boys and $1$ girl. If $1$ child is selected at random from each group, what is the probability that the three children selected consist of $1$ girl and $2$ boys?

The probability that a number selected at random from the set of numbers $(1, 2, 3, \ldots, 100)$ is a cube,is

Three coins are tossed once. Find the probability of getting exactly $2$ tails.

Three coins are tossed together,then the probability of getting at least one head is