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Based on the English alphabetical order, three of the following four are alike in a certain way and thus form a group. Which is the one that does not
Question

Based on the English alphabetical order, three of the following four are alike in a certain way and thus form a group. Which is the one that does not belong to that group?
(Note: The odd man out is not based on the number of consonants/vowels or their position in the letter cluster)

A.

SUR

B.

NPL

C.

DFB

D.

QSO

Correct option is A

​​
Logic: ​First letter + 2 = Second letter; Second letter − 4 = Third letter
SUR → S = 19, U = 21, R = 18 → +2, −3
NPL → N = 14, P = 16, L = 12 → +2, −4
DFB → D = 4, F = 6, B = 2 → +2, −4
QSO → Q = 17, S = 19, O = 15 → +2, −4
Thus, NPL, DFB and QSO follow the same pattern:
But SUR follows +2, −3.
Answer: (A) SUR

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