EduGoog
Choose or find odd letter group

YDWB , TKRI , QNOM , HLFJ , WFUD

Option:
A. YDWB
B. TKRI
C. QNOM
D. HLFJ
E. WFUD
Answer: C . QNOM

Justification:

In all other groups, first and second letters are moved 2 steps backward to obtain third and fourth letters respectively.

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