A pair of fair dice is thrown independently three times. The probability of getting a score of exactly $9$ twice is
$\frac{8}{{729}}$
$\frac{8}{{243}}$
$\frac{1}{{729}}$
$\frac{8}{9}$
Twenty tickets are marked the numbers $1, 2, ..... 20.$ If three tickets be drawn at random, then what is the probability that those marked $7$ and $11$ are among them
From a pack of playing cards three cards are drawn simultaneously. The probability that these are one king, one queen and one jack is
A pack of cards contains $4$ aces, $4$ kings, $4$ queens and $4$ jacks. Two cards are drawn at random. The probability that at least one of these is an ace, is
Three numbers are chosen at random from $1$ to $15$ . The probability that no two numbers are consecutive, is
Three cards are drawn at random from a pack of $52$ cards. What is the chance of drawing three aces