Question
Mathematics Question on permutations and combinations
Find the number of ways of choosing 4 face cards from a pack of 52 playing cards.
A
495
B
493
C
490
D
492
Answer
495
Explanation
Solution
There are 12 face cards and 4 are to be selected out of these 12 cards. This can be done in 12C4 ways. Therefore, the required number of ways =4!8!12!=495.