Four letter-clusters have been given, out of which three are alike in some manner, while one is different. Select the odd letter cluster.
Answer & explanation
Correct answer: option 2
THE LOGIC;
1) YXW,
Y → (-1) → X → (-1) → W
2) FGH,
F → (+1) → G → (+1) → H
3) NML,
N → (-1) → M → (-1) → L
4) TSR,
T → (-1) → S → (-1) → R
Thus, FGH is odd one.