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

A. BABB

In following number series, two terms have been put within brackets. Choose the appropriate option - Look at this series: 2, 6, 18, 54, . . .What number should come next?

C. 162

In following number series, two terms have been put within brackets. Choose the appropriate option - Look at this series: 80, 10, 70, 15, 60, . . . What number should come next?

A. 20

In following number series, two terms have been put within brackets. Choose the appropriate option - Look at this series: 7, 10, 8, 11, 9, 12, . . . What number should come next?

B. 10

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options. - dfe, jih, mln, ?, vut

C. PRQ