The series is abcac/bcaba/cabcb. Thus, the series consists of three sequences. The first three letters of each sequence are in a cyclic order and the last two letters of each sequence are the same as the first and third letters of the sequence.
53.
Choose the correct order of the given alternative : aab _ ab _ cabcca _ bcab _ c
The series is babb/bbab/bbba/bbbb.. Thus, in each sequence, 'a' moves one step forward and 'b' takes its place and finally in the fourth sequence, it is eliminated.
