Select the combination of letters that when sequentially placed in the gaps of the given letter seri...........

General Intelligence and Reasoning (CHSL) Alpha-Numeric Series

Select the combination of letters that when sequentially placed in the gaps of the given letter series will complete the series.

a_b_aad_ca_dbc_adb_a

dbcaca

dcabac

dcbaac

dcabca

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Explanation:

Analysing the pattern a_b_aad_ca_dbc_adb_a it is visible that after two 'a' letter 'd' is placed aad_ and after 'b' letter 'c' is placed bc and 'a' comes after the letter 'c' ca?. So, the whole pattern becomes adbca. So following the pattern it is easy to assume that the coreect option would be dcbaac and if we place this in the given blanks we can see the pattern adbca is repeating.So, a_b_aad_ca_dbc_adb_ would be adbcaadbcaadbc.