$4$ boys and $2$ girls occupy seats in a row at random. The probability that the two girls occupy seats side by side is:

Three numbers are selected randomly between $1$ to $20$. Then,the probability that they are consecutive numbers will be

$A$ committee of two persons is selected from two men and two women. What is the probability that the committee will have two men?

$A$ three-digit number is formed by using the digits $1, 2, 3,$ and $4$ without repetition. The probability that the number is divisible by $3$ is:

$A$ box contains $8$ red, $3$ white and $9$ blue balls. If $3$ balls are drawn from the box at random one after the other without replacement, then the probability that they are $2$ red balls and $1$ white ball is

If an unbiased dice is rolled thrice,then the probability of getting a greater number in the $i^{\text{th}}$ roll than the number obtained in the $(i-1)^{\text{th}}$ roll,for $i=2, 3$,is equal to: (in $/54$)