Find the missing number in the following diagram:

In the given question, a letter-number series is given with one or more terms missing as shown by (?). Choose the missing term out of the given alternatives.

A196, I169, P144, V121, A100, ...?...

What should come next in the series below?

45G54, 47J57, 50N61, 54S66, ?

What numbers should replace the question marks if the same sequence has to be followed in the given series:

71, 81, 74, 77, 77, 73, 80, 69, ?, ?, ?, ?

(A) 65

(B) 86

(C) 61

(D) 83

Choose the correct alternative from the given options that will replace the question mark (?) in the following series:

7, 8, 18, 57, ?, 1165

What will come in place of the question mark in the following numerical series?

6, 9, 14, 21, 30, ?

Find the next term in the alphanumeric series:

3B, 6C, 11E, 18H, ?