Civil Services HPPSC (Himachal Pradesh) HPAS Mock Test 2021 Logical Reasoning Series Alphabet Series
Select the combination of letters that, when sequentially placed in the blanks of the given letter series, will complete the letter series.
ab _ _ bb _ _ aa _ ba _ _ ab _
1
ababbaab
2
aaabbbab
3
babaabaa
4
bbaabbaa