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Alphanumeric series consists both alphabets and numbers, include letter variations such as @, & and * etc. Alphanumeric series questions are very important in the reasoning section. Don't ignore this topic to better score in the competitive exams.
In the following question, find the missing letters in the given letters.
$$ {D\over 5},{G\over 9},{J\over 14},{M\over20},?$$
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
aba _ baca _ ba _ bacaabac _ aca