In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. 3F, 6G, 11I, 18L, ?
A) 27Q
B) 27P
C) 25N
D) 21O
Answer: B) 27P
Explanation:
The letters move 1, 2, 3, ... steps forward. The numbers increase by + 3, + 5, + 7, + 9....