Odd Man Out

In all other groups, the second, third and fourth letters respectively three, five and seven steps ahead of the first , second and third letters respectively.

All except Tower are natural geographical features, while tower is man-made.

ABYZ → (B+Y = 2+25 = 27) and (A+Z = 1+26 = 27.) CDWX → (D+W = 4+23 = 27) and (C+X = 3+24 = 27.) EFUV → (F+U = 6+21 = 27) and (E+V = 5+22 = 27.) GHTV → (H+T = 8+20 = 28) and (7+22 = 29.)

This is the only group containing a vowel.

Except the word Kidnap, all other words are related to death. So, (D) is the answer.

Heat is different from the other three.

49 is the only perfect square number in the group.

In all other pairs, the difference between two number is 25.

All other are parts of a calendar.

All except Hat are used to contain something.