Question
Four letter-clusters have been given out of which four
are alike in some manner and one is different. Select the one that is different.Solution
OQN β O + 2 = Q, Q - 3 = N FHE β F + 2 = H, H - 3 = E MOI β M + 2 = O, O - 3 = L β I YAX β Y + 2 = A, A - 3 = X RTQ β R + 2 = T, T - 3 = Q