Reasoning - Series Completion - Discussion

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Q.

ab _ aa _ bbb _ aaa _ bbba  .                          


A. abba B. baab
C. aaab D. abab

Answer: Option B
Explaination:

 


The series is abb/aaabbb/aaaabbbb/a. Thus the letters are repeated twice, then thrice, then four times and so on.




Discussion

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