Find the odd letter group: ACE, PRT, UWY, MNO.
AACE
BPRT
CUWY
DMNO ✓ Correct
Correct answer: (D) MNO
Explanation
MNO is the odd group.
In ACE, PRT and UWY each step skips one letter, a gap of 2.
A to C to E, P to R to T, U to W to Y all move +2, +2.
M, N, O are three consecutive letters, a gap of 1.
So the consecutive-letter group stands apart.
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