Series : TAP, WDS, ZGV, ?, FMB The pattern followed in each letter of the terms is : 1st letter : T (+3 letters) = W (+3 letters) = Z (+3 letters) = C (+3 letters) = F 2nd letter : A (+3 letters) = D (+3 letters) = G (+3 letters) = J (+3 letters) = M 3rd letter : P (+3 letters) = S (+3 letters) = V (+3 letters) = Y (+3 letters) = B Thus, missing term = CJY