Direction: In each of the following letter series, some of the letters are missing, which are given in the same order as one of the alternatives below it. Chose the correct alternatives.
-
_A 'B_B' AA' _BB' _A
-
- A'BAB'
- A'B'AB
- ABAB
- AB'A'B
Correct Option: C
The series is made of two consecutive 'A' and three consecutive 'B' in alternate manner.
AA'B/BB'A/A'AB/B'BA ⇒ ABAB
