Question : Directions: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
ab_aabb_ _ bb_
Option 1: abbb
Option 2: abab
Option 3: baba
Option 4: baaa
Correct Answer: baaa
Solution :
Given:
ab_aabb_ _bb_
To fill the series we have to divide the series→
ab_a / abb_ / _bb_
Let's check each option –
First option:
abbb;
ab
a
a / abb
b
/
b
bb
b
(No repeated pattern has been found.)
Second option:
abab;
ab
a
a / abb
b
/
a
bb
b
(No repeated pattern has been found.)
Third option:
baba;
ab
b
a / abb
a
/
b
bb
a
(No repeated pattern has been found.)
Fourth option:
baaa;
ab
b
a / abb
a
/
a
bb
a
(abba is repeated in the series.)
So, the series becomes→abbaabbaabba. Hence, the fourth option is correct.
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