Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
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a—ba—bb—ab—a
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- aabb
- baaa
- abab
- baab
Correct Option: D
As per given question, the letter series is following the below pattern.
a b ba
After using the pattern the complete letter series will be as below.
a b ba/ a bb a /ab b a
