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

B. ADBBAD

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

B. ABBAB

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

D. BABBB

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - G4T, J10R, M20P, P43N, S90L

B. J10R

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 _ bcbca _ _ c _ bab

D. CCAA