In the following question a letter series is given in which some

In the following question a letter series is given in which some
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In the following question a letter series is given in which some letters are missing. The missing letters are given in the proper sequence as one of the alternative. Choose the correct alternative.

a_cb_ac_b_bc

A. aacb

B. bbca

C. bcaa

D. cbac 

Please scroll down to see the correct answer and solution guide.

Right Answer is: C

SOLUTION

1) aac/baa/ccb/bbc - doesn't follow a pattern

2) abc/bba/ccb/abc - doesn't follow a pattern

3) abc/bca/cab/abc -  follows a pattern i.e. the letters a, b and c are repeated in each part

4) acc/bba/cab/cbc - doesn't follow a pattern

Hence, the correct answer is bcaa.