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 alternative from the given ones that will complete the series. 

?, Vice President, Prime Minister, Deputy Prime Minister

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

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

3, 18, 48, 93……….?............

2, 65, 7, 59, 12, 53, ?, ?

What will come next in the given series?
6L, 9M, 14O, 21R, ?

Directions: In the following questions, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series:

J2Z , K4X , I7V , ? , H16R , M22P