If in a lottery there are $5$ prizes and $20$ blanks,then the probability of getting a prize is

$A$ three-digit number is formed by using the digits $1, 2, 3,$ and $4$. The probability that the number is divisible by $3$ is:

$A$ determinant is chosen at random from the set of all determinants of order $2$ with elements $0$ or $1$ only. The probability that the value of the determinant chosen is positive is:

$A$ 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?

The probability of getting at least one tail in $4$ throws of a coin is

If two dice are thrown simultaneously,then the probability that $1$ comes on the first die is: