4, 32, 128, (…)

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
GF, KI, OL, SO, ?

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

BOND, FKRZ, JGVV, NCZR, ?

5255, 5306, __ 5408, 5459

Select the missing number from the options given below.

Find the missing number form the given table.

Find the missing number?

Select the missing number from the options given below.