Number Series - Verbal and Reasoning

Directions to SolveLook carefully for the pattern, and then choose which pair of numbers comes next.
Q1:

Look at this series: J14, L16, __, P20, R22, ... What number should fill the blank?

A S24

B N18

C M18

D T24

ANS:B - N18

In this series, the letters progress by 2, and the numbers increase by 2.