Which group of letters is the odd one out?

B. ACE

Which group of letters is the odd one out?

B. ACE

Identify the odd letter group:

D. I, J, K, L, M

Choose the odd letter group: ACD, BDF, CEG, DHI, EJK

D. EJK

Choose the odd letter group: GHI, JKL, MNO, PQR, STU

A. GHI