In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.
aa _ ab _ _ aaa _ a
Option:
A. aaab
B. aabb
C. abab
D. baaa
Answer: A . aaab
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Justification:
The series is aaaaba / aaaaba.
Thus, the pattern aaaaba is repeated.
