शृंखला में लुप्त पद (?) ज्ञात कीजिए । BCA, FGE, ?, NOM, RSQ, VWU A. IJH B. KLJ C. KJI D. JKI

Each term uses three consecutive letters, written in the order 2nd, 3rd, 1st: ABC → BCA, EFG → FGE, MNO → NOM, QRS → RSQ, UVW → VWU. The groups start at A, E, I, M, Q, U (every fourth letter), so the missing group is IJK, written as JKI.