Question

Three letters are chosen at random from the letters P, A, N, S, O, L. What is the size of the sample space of this experiment? Assume that the order of the letters matters. That is, PAN is different from APN.

A.24
B.60
C.120
D.210
E.336

Answer 1

i dont get this question can you please give more information 

Answer 2

6 ways you can arrange 3 letters, and there's 20 different sets of 3 you can chose from 6 so 6 * 20 = 120