Q6
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ? aab _ aa _ bbb _ aaa _ bbba
A.
abba
B.
baab
AnswerC.
aaab
D.
abab
Answer: Option B
Solution
Answer: Option B
Solution:
The series is, aabb / aaabbb / aaaabbbb / a.
Thus letters are repeated twice, then thrice then four times and so on.