From a pack of $52$ cards two cards are drawn in succession one by one without replacement. The probability that both are aces is
$\frac{2}{{13}}$
$\frac{1}{{51}}$
$\frac{1}{{221}}$
$\frac{2}{{21}}$
A number is chosen at random from first ten natural numbers. The probability that number is odd and perfect square is
A card is selected from a pack of $52$ cards. Calculate the probability that the card is black card.
A coin is tossed and a dice is rolled. The probability that the coin shows the head and the dice shows $6$ is
In a college, $25\%$ of the boys and $10\%$ of the girls offer Mathematics. The girls constitute $60\%$ of the total number of students. If a student is selected at random and is found to be studying Mathematics, the probability that the student is a girl, is
Two fair dice are tossed. Let $A$ be the event that the first die shows an even number and $B$ be the event that the second die shows an odd number. The two event $A$ and $B$ are