In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.
AB, BA, ABC, CBA, ABCD, ?
A
ABCD
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B
BACD
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C
CABD
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D
DBAC
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E
DCBA
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Solution
The correct option is A DCBA The first group of letters is reversed to obtain the second group. The second group is reversed and the next consecutive letter is added to it to obtain the subsequent group.