Letter Series QuizBY : SARKARI LIBRARYMANANJAY MAHATO 1 / 21. _aa_ba_bb_ab_aab (a) bbaab (b) babab (c) baaab (d) abaab 2 / 22. _s t t _ t t _ t t s _ (a) s s t t (b) t s s t (c) t t s t (d) t s t s Your score is 0% Restart quiz Letter SeriesPost published:Updated on July 18, 2024