In the following question, some groups of letters are given, all of which, except one, share a common similarity. Choose the odd one out.
Choose the odd one out.
ACHI
DFKL
MNST
OQVW
PRWX
Correct answer is C
In all other groups, the first two letters are alternate, third and fourth letters are consecutive and there is a gap of four letters between the second and third letters.