Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?_ nmmn _ mmnn _ mnnm _
A). nmmn
B). mnnm
C). nnmm
D). nmnm
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?ab _ aa _ bbb _ aaa _ bbba
A). abba
B). baab
C). aaab
D). abab
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?ab _ _ baa _ _ ab _
A). aaaaa
B). aabaa
C). aabab
D). baabb
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?_ bc _ ca _ aba _ c _ ca
A). abcbb
B). bbbec
C). bacba
D). abbec
Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?ba _ cb _ b _ bab _
A). acbb
B). bacc
C). bcaa
D). cabb