What will come in place of the question mark (?) in the following letter series? DF, EG, FH, GI, ? MCQ with Answer and Explanation

Explanation:
The letter 'B' appears at the beginning of each term. The number represents a sequential count starting from 2 and increasing by 1 with each term. The missing term is BC3D.[reference:1]

Explanation:
First letters: U, V, W, X, Y (+1). Second letters: W, X, Y, Z, A (+1, wrapping around). The next term is YA.

Explanation:
First: Q, W, C, I, O (+6 each, wrap). Second: T, Z, F, L, R (+6 each, wrap). So OR.