In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.
_ _ aba _ _ ba _ ab
Option:
A. abbba
B. abbab
C. baabb
D. bbaba
Answer: B . abbab
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Justification:
The series is ab / ab / ab / ab / ab / ab.
Thus, the pattern ab is repeated.
