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. - 840, 168, 42, 14, 7, (…….)

B. 7

In following alphabet series , one term missing as shown by question mark . Choose missing term from options. - CE, GI, KM, OQ, ?

C. SU

In following alphabet series , one term missing as shown by question mark . Choose missing term from options. - b, e, d, f, ?, h, j, ?, l

A. I, M

In following alphabet series , one term missing as shown by question mark . Choose missing term from options. - R, M, ?, F, D, ?

E. I, C

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, 1, 3, 9, 6, 36, 10, 100, , 225

A. 15