Question 592845
There are 4! =4*3*2*1 = 24 different ways and they are listed below


A,B,C,D
A,B,D,C
A,C,B,D
A,C,D,B
A,D,B,C
A,D,C,B
B,A,C,D
B,A,D,C
B,C,A,D
B,C,D,A
B,D,A,C
B,D,C,A
C,A,B,D
C,A,D,B
C,B,A,D
C,B,D,A
C,D,A,B
C,D,B,A
D,A,B,C
D,A,C,B
D,B,A,C
D,B,C,A
D,C,A,B
D,C,B,A