EduGoog
In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.

abb _ baa _ a _ bab _ aba

Option:
A. abba
B. abab
C. ccac
D. aabb
Answer: A . abba

Justification:

The series is abba / baab / abba / baab / a.
Thus, the pattern abba, baab is repeated.

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