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

The probability that a non-leap year contains $53$ Sundays is

The probability of getting a total of $5$ or $6$ in a single throw of $2$ dice is

$A$ number $n$ is chosen at random from $\{1, 2, 3, 4, \ldots, 1000\}$. The probability that $n$ is a number that leaves remainder $1$ when divided by $7$ is:

$A$ bag contains $3$ white and $5$ black balls. If one ball is drawn,then the probability that it is black,is

From a well-shuffled pack of cards,one card is drawn at random. The probability that the card drawn is an ace is