Tim, Paco, Maria, and Jenny are standing in line for lunch. Jenny is standing between Paco and Maria, and Paco’s position in line is an odd number. Tim is not standing on either end of the line, and he is in front of Jenny. Which friend is standing fourth in line?

Question

anonymous · Answer

Let 

T=Tim
P=Paco
M=Maria
J=Jenny

then, if T is not on either end but must be in front of J, we know the position of the 4 must be either 

                           P T J M                          OR                          M T J P.

Given that, which one must it be?