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

JKNORS
HIMNPQ
CDGHKL
PQTUXY

The answer is B. HIMNPQ.

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

A. JKNORS: J, K, L, M, N, O, R, S.
C. CDGHKL: C, D, E, F, G, H, I, J, K, L.
D. PQTUXY: P, Q, R, S, T, U, V, W, X, Y.