Question : Directions: In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
aa_a_b_abaa_
Option 1: abab
Option 2: baab
Option 3: baba
Option 4: abba
Correct Answer: baab
Solution :
Given:
aa_a_b_abaa_
To fill the series we have to divide the series→
aa_ / a_b / _ab / aa_
Let's check each option –
First option:
abab;
aa
a
/ a
b
b /
a
ab / aa
b
(No repeated pattern has been found.)
Second option:
baab;
aa
b
/ a
a
b /
a
ab / aa
b
(aab is repeated in the series.)
Third option:
baba;
aa
b
/ a
a
b /
b
ab / aa
a
(No repeated pattern has been found.)
Fourth option:
abba;
aa
a
/ a
b
b /
b
ab / aa
a
(No repeated pattern has been found.)
So, the series becomes→aabaabaabaab. Hence, the second option is correct.
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