Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the odd letter-cluster.
Answer & explanation
Correct answer: option 1
THE LOGIC;
1) KIO,
K → (-2) → I → (+6) → O
2) DEH,
D → (+1) → E → (+3) → H
3) WXA,
W → (+1) → X → (+3) → A
4) NOR,
N → (+1) → O → (+3) → R
Thus, KIO is the odd one.