Let T={p, q, r, s, t}. The number of strings in S* of length 4 such that no symbols can be repeated.

Let T={p, q, r, s, t}. The number of strings in S* of length 4 such th

1.	Let T={p, q, r, s, t}. The number of strings in S* of length 4 such that no symbols can be repeated.
A.	120
B.	625
C.	360
D.	36
Answer» C. 360