In a simultaneous toss of $2$ coins,find the probability of getting $2$ tails.

Find the chance of throwing $6$ at least once in six throws with a single die.

$A$ bag contains $4$ white,$5$ red,and $6$ blue balls. Three balls are drawn at random. What is the probability that all of them are red?

$A$ coin is tossed until a head appears or until the coin has been tossed five times. If a head does not occur on the first two tosses,then the probability that the coin will be tossed $5$ times is

If $m$ rupee coins and $n$ ten paise coins are placed in a line,then the probability that the extreme coins are ten paise coins is

The letters of the word $SOCIETY$ are placed in a row. What is the probability that the three vowels come together?