Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
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ab – aa – aaa – a – ab – a
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- a b b a b
- a b a a a
- a a b b a
- a b b a a
Correct Option: D
The pattern of given letter series is :-
ab a a
Using the same pattern, we will get complete letter series.
ab a a/a b aa/a b a a/ ab a a