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Question : Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

a_ _b abba_abb a_ba

Option 1: abab

Option 2: abba

Option 3: aabb

Option 4: aaab


Team Careers360 21st Jan, 2024
Answer (1)
Team Careers360 22nd Jan, 2024

Correct Answer: abab


Solution : Given:

a_ _b abba_abb a_ba

Let's check the given options –

First option: abab
The series becomes aabbabbaaabbabba.

The pattern in the series becomes aa / bb / ab / ba / aa / bb / ab / ba.
Second option: abba
The series becomes aabbabbababbaaba.

There is no pattern in the above series.

Third option: aabb
The series becomes aaababbababbaba.
There is no pattern in the above series.

Fourth option: aaab
The series becomes aaababbaaabbabba.
There is no pattern in the above series.

Hence, the first option is correct.

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