What will come in place of the question mark (?) in the following letter series? G, J, M, P, ? MCQ with Answer and Explanation

Explanation:
Differences: +1,+2,+3,+4 – next +5 gives L(12)+5=17→Q.

Explanation:
First letters: C(3)+2=E(5), E+2=G(7), G+2=I(9), I+2=K(11), K+2=M(13). Second letters: V(22)-2=T(20), T-2=R(18), R-2=P(16), P-2=N(14), N-2=L(12). The missing cluster is ML.[reference:9]

Explanation:
First: K, Q, W, C, I (+6 each, wrap). Second: N, T, Z, F, L (+6 each, wrap). So IL.