Alphabet series test

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. 2 - - 1 - 323 - - 23

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

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. ab - a - bcabc - b - abbabb -

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

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. ab - cabb - caa - bccab - cab - cc

What will come in place of the question mark(?) in the following alphabet series based on their positions in the English alphabet? DGH JMN ?VYZ