If three letters can be posted to any one of the $5$ different addresses, then the probability that the three letters are posted to exactly two addresses is:
$\frac{12}{25}$
$\frac{18}{25}$
$\frac{4}{25}$
$\frac{6}{25}$
A three digit number is formed by using numbers $1, 2, 3$ and $4$. The probability that the number is divisible by $3$, is
Two numbers are selected at random from $1, 2, 3 ......100$ and are multiplied, then the probability correct to two places of decimals that the product thus obtained is divisible by $3$, is
If a leap year is selected at random, what is the change that it will contain $53$ Tuesdays ?
$3$ numbers are chosen from first $15$ natural numbers, then probability that the numbers are in arithmetic progression
If $4 \,-$ digit numbers greater than $5,000$ are randomly formed from the digits $0,\,1,\,3,\,5,$ and $7,$ what is the probability of forming a number divisible by $5$ when, the digits are repeated ?