SSC CHSL 4 Mar 2018 Shift 1 Paper

Expression : ABABAbab, ABABabaB, ABAbabAB, ABabaBAB, AbabABAB, _______________.
The pattern followed is that there is a combination of 4 'AB', in which there are 3 consecutive small terms starting from right end and shifting one place to the left.
Thus, in the missing term, the first three terms will be small = abaBABAB