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Complete the series. ab, ba, abc, cba, abcd, (…)
Question

Complete the series.
ab, ba, abc, cba, abcd, (…)

A.

acbd

B.

dcba

C.

bacd

D.

cabd

Correct option is B

Observe the pattern in the series:
First term: ab
Second term: ba — reverse of the first term
Third term: abc
Fourth term: cba— reverse of the third term
Fifth term: abcd
Following this alternating pattern, the next term should be the reverse of abcd, which is dcba.
Thus, the correct answer is (b) dcba.

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