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 _ ab _ _ aaa _ a

A. AAAB

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

A. ABBA

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 _ _ bb _ aabc

A. ACAC

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

A. AACB

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 - _ A C _ B D _ C D C D 2 _ 4 1 _ 1 4 _ _ _ _ c d _ b c _ a ? ? ? ?

A. A, B ,A ,B