AMB, CLB, BKC, DJC, ______
Answer with explanationAnswer: Option D
In alphabetical order, middle letter is decreasing by 1 letter.
In the first letter of the every series is increasing by 1, middle letter is continuously decreasing by 1 [-1].
Third letter is increasing by [+1], from their previous series.
BCB, DED, FGF, HIH, ___
Answer with explanationAnswer: Option C
This series consists of a simple alphabetical order with the first two letters of all segments: B, C, D, E, F, G, H, I, J, K. The third letter of each segment is a repetition of the first letter.