In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options. - AB, BA, ABC, CBA, ABCD, ?

E. DCBA

In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces. - 1, 9, 17, 33, 49, 73,

A. 97

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 _ cdaab _ cc _ daa _ bbb _ ccddd

D. BBDAC

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

D. AABBA

In following questions, one term in number series is incorrect. - Find out the incorrect number 1, 3, 10, 21, 64, 129, 256, 778

D. 256