In following questions, three sequence of alphabets/numerals are provided which correspond to each other in some way. Find out alphabets/numerals that come in the blank places.Choose the correct option - C B _ _ D _ B A B C C B _  _ 1 2 4 3  _ _ ? ? ? ? a _ a b _ c _ b _ _ _ _

C. 3, 1, 1, 3

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - aa _ aaa _ aaaa _ aaaa _ b

D. BBBA

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - bc _ b _ c_ b _ ccb

A. CBCB

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - mnonopqopqrs _ _ _ _ _

C. PQRST

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - ba _ b _ aabb _ a _ _ a _ bb

B. ABABBA