In following number series, two terms have been put within brackets. Choose the appropriate option - Which number replace question mark in the series 7, 12, 19, ?, 39.

B. 28

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

C. ABAC

In following alphabet series , one term missing as shown by question mark . Choose missing term from options. - Z, L, X, J, V, H, T, F, ?, ?

A. R, D

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 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