The probability of obtaining an even prime number on each die, when a pair of dice is rolled is
$\frac{1}{36}$
$\frac{1}{3}$
$\frac{1}{12}$
$0$
Two card are drawn successively with replacement from a pack of $52$ cards. The probability of drawing two aces is
In a throw of a die, what is the probability of getting a number less than $7$
In a college of $300$ students, every student reads $5$ newspapers and every newspaper is read by $60$ students. The number of newspapers is
The probability of hitting a target by three marksmen are $\frac{1}{2},\,\frac{1}{3}$ and $\frac{1}{4}$ respectively. The probability that one and only one of them will hit the target when they fire simultaneously, is
$A$ and $B$ are two events such that $P(A)=0.54$, $P(B)=0.69$ and $P(A \cap B)=0.35.$ Find $P ( A \cup B )$.