Correct Answer - Option 1 : 495
Concept:
The number of ways to select r things out of n given things wherein r ≤ n is given by: \({\;^n}{C_r} = \frac{{n!}}{{r!\; \times \left( {n - r} \right)!}}\)
Calculation:
In a deck of playing cards there are 12 face cards selecting 4 cards out of these by
12C
4 =
\(\frac{12!}{4!×8!}\) = 495