Choose the correct option which complete the series.
ADG, XVT, BEH, WUS, ?

Direction (66-70): What should come in place of the question mark(?) in the following number series?

4, 10, 22, 46, (?)

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

A series is given with one term missing. Choose the correct option from the given alternatives and complete the series.
3, 2, 6, 8, 18, 40, 72, 240, ?

In the following options, select the number which will replace the question mark in the following series.
4, 2, 2, 3 , 6,?

In the following question, select the missing number from the given series.
2, 5, 12, 27, ?

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

Narendra Modi, Manmohan Singh, Atal Bihari Vajpayee, ?

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