Find the odd number / letters / word from the given alternative:

CGON
FJQP
HLTS
LPXW

The answer is D. LPXW.

In each of the other options, the letters are all in alphabetical order. In D, the letters are not in alphabetical order.

A. CGON: C, G, O, N are all in alphabetical order.
B. FJQP: F, J, Q, P are all in alphabetical order.
C. HLTS: H, L, T, S are all in alphabetical order.