In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.
ab _ _ _ b_ bbaa _
Option:
A. abaab
B. abbab
C. baaab
D. babba
Answer: C . baaab
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Justification:
The series is abb / aab / abb / aab.
Thus, the pattern abb, aab is repeated.
