Please answer: The number of permutations of 12 things taken 4 at a time are: Likewise, the number of combinations are: Thanks in advance. Solution Number of permutations are 12 P 4 = 12! *4! / (12-4)! = 285120 Number of Combinations are 12 C 4 =12! / (12-4)! = 11880.

1. Please answer: The number of permutations of 12 things taken 4 at a time are: Likewise, the
number of combinations are: Thanks in advance.
Solution
Number of permutations are 12 P 4 = 12! *4! / (12-4)! = 285120 Number of
Combinations are 12 C 4 =12! / (12-4)! = 11880