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 _ aaa _ aaaa _ aaaa _ b

D. BBBA

In following questions, one term in number series is incorrect. - Find out the incorrect number 3, 4, 10, 32, 136, 685, 4116

B. 32

In following questions, one term in number series is incorrect. - Find out the incorrect number 3, 5, 7, 9, 11, 13

D. 9

Which term comes next in the series : YEB, WFD, UHG, SKI ?

A. QOL

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

B. ABABBA