In a single throw of $2$ dice,find the probability of getting a total of $12$.

$A$ six-faced die is biased such that it is twice as likely to show an even number as an odd number when thrown. If it is thrown twice, what is the probability that the sum of the two numbers obtained is even?

$3$ coins are tossed. Find the probability of getting all heads.

$A$ coin is tossed $4$ times. The probability that at least one head turns up is

An integer is chosen at random and squared. The probability that the last digit of the square is $1$ or $5$ is

In a box,there are $2$ red,$3$ black,and $4$ white balls. If three balls are drawn together,what is the probability that they are of the same color?