In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - adb _ ac _ da _ cddcb _ dbc _ cbda

B. CBBAA

In following alphabet series , one term missing as shown by question mark . Choose missing term from options. - ejo, tyd, ins, xch, ?

B. MRW

In following number series, two terms have been put within brackets. Choose the appropriate option - 15,31,63,127,255,x

B. 511

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

D. CBAB

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