1. 

What should come in the place of question mark (?) in the following alpha numeric series?

G13T, I11R, L9O, ?

A. P0K
B. P5L
C. P5J
D. P7K

Answer: Option D

Explanation:

Pattern of the series as shown below

letter-and-symbol-series-logical-reasoning-practice-level---letter-and symbol-series-problems

Hence, the missing term is P7K.