In a well-shuffled deck of $52$ cards,if two cards are drawn at random,what is the probability that both cards are kings?

$A$ total of $13$ people,consisting of $5$ women and $8$ men,have applied for a job. If $2$ people are to be selected from these $13$ people,what is the probability that at least one woman is selected?

$A$ bag contains $6$ white,$7$ red,and $5$ black balls. If $3$ balls are drawn from the bag at random,then the probability that all of them are white is

Four boys and three girls stand in a queue for an interview. What is the probability that they will be in alternate positions?

$A$ class has $15$ boys and $5$ girls. Suppose $3$ students are selected at random from the class. The probability that there are $2$ boys and $1$ girl is

If two numbers are selected at random from $20$ consecutive integers,what is the probability that their sum is odd?