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?
a _ ba _ b _ b _ a _ b
Option 1: abaab
Option 2: aabba
Option 3: bbabb
Option 4: abbab
Correct Answer: bbabb
Solution :
Given:
a _ ba _ b _ b _ a _ b
To fill the series we have to divide the series→
a _ b / a _ b / _ b _ / a _ b
Let's check each option –
First option:
abaab;
a
a
b / a
b
b /
a
b
a
/ a
b
b
(No repeated pattern has been found.)
Second option:
aabba;
a
a
b / a
a
b /
b
b
b
/ a
a
b
(No repeated pattern has been found.)
Third option:
bbabb;
a
b
b / a
b
b /
a
b
b
/ a
b
b (abb is repeated in the series.)
Fourth option:
abbab;
a
a
b / a
b
b /
b
b
a
/ a
b
b
(No repeated pattern has been found.)
So, the series becomes→abbabbabbabb. Hence, the third option is correct.
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