Find the odd one out: 2, 5, 10, 17, 26, 37, 50, 64 MCQ with Answer and Explanation

Explanation:
Each letter is shifted forward by 1: A→B, P→Q, P→Q, L→M, E→F; M→N, A→B, N→O, G→H, O→P gives NBOHP.

Explanation:
All are perfect squares: 11², 12², 13², 14², 15². 144 is 12², also a square. Wait, all are squares. Need valid: 121, 144, 169, 196, 224. Better. I will change.

Explanation:
3=P, 9=T, 8=H, 7=K, 4=N, 5=M. Thus PTHKNM.