A card is drawn at random from a pack of $52$ cards. The probability that the drawn card is a court card i.e. a jack, a queen or a king, is
$\frac{3}{{52}}$
$\frac{3}{{13}}$
$\frac{4}{{13}}$
None of these
Two dice are thrown together. If the numbers appearing on the two dice are different, then what is the probability that the sum is $6$
A bag contains $5$ white, $7$ red and $8$ black balls. If four balls are drawn one by one without replacement, what is the probability that all are white
Describe the sample space for the indicated experiment: A coin is tossed and then a die is rolled only in case a head is shown on the coin.
Three coins are tossed. Describe Two events, which are not mutually exclusive.
On her vacations Veena visits four cities $(A,\,B ,\, C$ and $D$ ) in a random order. What is the probability that she visits $A$ before $B$ and $B$ before $C ?$