1.
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?

a_bbc_aab_cca_bbcc

2.
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?

_ bc _ ca _ aba _ c _ ca

3.
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?

_ ab _ b _ aba _ _ abab.

4.
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?

bca _ b _ aabc _ a _ caa

5.
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?

b _ac _ cc _ cb _ ab _ ac

6.
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?

aab _ aa _ bbb _ aaa _ bbba

7.
_ bcc _ ac _ aabb _ ab _ cc.

9.
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?

_ stt _ tt _ tts _

10.
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?

gfe _ ig _ eii _ fei _ gf_ ii