In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.
aab _ ab _ cabcca _ bcab _ c
A
bbbc
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B
bbab
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C
cabc
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D
cbab
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Solution
The correct option is D cbab The series is aa / bcab / bcab / ccaa / bcab / bc. Thus, the pattern ccaa followed by bcab repeated twice, makes up the series.