Which letter group is the odd one out: ACE, BDF, GIK, MOP?
Correct answer: D. MOP
In ACE, BDF and GIK, each letter skips one letter (A_C_E, B_D_F, G_I_K). In MOP, O and P are next to each other, so MOP breaks the pattern. Following the rule it would be MOQ.
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