Quantitative Aptitude :: Average - Discussion

Show Explanation

Please attempt the question to view the Explanation !!!

Explanation:
Lets assume the sample space = S
Then, n(S) = 52C2 = (52 x 51)/(2x1) = 1326
Let E = event of getting 2 kings out of 4
=> n(E) = 4C2 = (4 x 3)/(2 x 1) = 6
=> P(E) =n(E)/n(S) =6/1326 = 1/221