Which number will replace the question mark (?) in the following series?
16, 24, 36, ?, 81

A series is given with one term missing. Choose the correct option from the given ones that will complete the series.

13 18 22 25 27 ?

A series is given with one term missing. Choose the correct option from the given ones that will complete the series.

11 24 16 38 27 64 ?

Select the shape that will follow in the following series.

Choose the option which complete the given figures series.

Find the value of Question mark (?).
25 : 37 :: 49 :?

Find the next number in the following number series?
7, 10, 8, 11, 9, 12, ?

Identify the number that does NOT related to the following series.
25, 28, 23, 30, 21, 33