Four cards are drawn at random from a pack of $52$ playing cards. The probability of getting all four cards of the same suit is

What is the probability of drawing two kings from a well-shuffled deck of $52$ cards?

Let $X$ be a set containing $10$ elements and $P(X)$ be its power set. If $A$ and $B$ are picked up at random from $P(X)$ with replacement,then the probability that $A$ and $B$ have an equal number of elements is:

Four cards are drawn at random from a pack of $52$ playing cards. What is the probability that one card is drawn from each suit?

If the coefficients $a$ and $b$ of a quadratic expression $x^2+ax+b$ are chosen from the sets $A=\{3, 4, 5\}$ and $B=\{1, 2, 3, 4\}$ respectively, then the probability that the equation $x^2+ax+b=0$ has real roots is

Find the probability that when a hand of $7$ cards is drawn from a well-shuffled deck of $52$ cards,it contains at least $3$ Kings.