Solution:The pattern followed here is :AMRW → (A + 12 = M), (M + 5 = R), (R + 5 = W)
PBGL → (P + 12 = B), (B + 5 = G), (G + 5 = L)
KWBG → (K + 12 = W), (W + 5 = B), (B + 5 = G)
But,
XFIK → (X + 12 ≠ F), (F + 5 ≠ I), (I + 5 ≠ K)
Hence, XFIK is the correct answer.