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) NOSV,
N → (+1) → O
S → (+3) → V
2) TWZC,
T → (+3) → W
Z → (+3) → C
3) PSVY,
P → (+3) → S
V → (+3) → Y
4) EHKN,
E → (+3) → H
K → (+3) → N
Thus, NOSV is the odd one.