Probability that the product of the outcomes when three dice are rolled simultaneously is divisible by $4$ is equal to
$\frac{3}{8}$
$\frac{1}{2}$
$\frac{5}{8}$
$\frac{3}{4}$
In four schools ${B_1},{B_2},{B_3},{B_4}$ the percentage of girls students is $12, 20, 13, 17$ respectively. From a school selected at random, one student is picked up at random and it is found that the student is a girl. The probability that the school selected is ${B_2},$ is
A mapping is selected at random from the set of all the mappings of the set $A = \left\{ {1,\,\,2,\,...,\,n} \right\}$ into itself. The probability that the mapping selected is an injection is
A bag contains $8$ black and $7$ white balls. Two balls are drawn at random. Then for which the probability is more
Two cards are drawn at random from a pack of $52$ cards. The probability that both are the cards of spade is
Find the probability that when a hand of $7$ cards is drawn from a well shuffled deck of $52$ cards, it contains $3$ Kings.