Series Completion - Verbal and Reasoning

Directions to SolveIn each of the following questions, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives.
Q1:

A, B, N, C, D, O, E, F, P, ?, ?, ?

A G, H, I

B G, H, J

C G, H, Q

D J, K, L

ANS:C - G, H, Q

The given series may be divided into 2 groups : I. A, B, C, D, E, F, ?, ? and II. N, O, P, ? Clearly, the given series consists of two terms of I followed by one term of II. The missing terms in I are G and H while the missing term in II is Q.