Discussion of Question with ID = 054 under abba-Series

This is the discussion forum for this question. If you find any mistakes in the solution, or if you have a better solution, then this is the right place to discuss. A healthy discussion helps all of us, so you are requested to be polite and soft, even if you disagree with the views of others. The question and its current solution has also been given on this page.

Find the missing terms in this series. This series has at least two different characters. The series is:

bc_dbc_dbce_b_ed

eedc.

cdbd.

beed.

ebdb.

Soln.
Ans: a

The series is: bcedbcedbcedbced. General pattern is: 1243-1243-- and so on.