Which letter cluster will replace the question mark (?) to complete the given series?
TRKM, XVIK, BZGI, ?, JHCE
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3, i.e., FDEG.
T + 4 = X, X + 4 = B, B + 4 = F, F + 4 = J
R + 4 = V, V + 4 = Z, Z + 4 = D, D + 4 = H
K - 2 = I, I - 2 = G, G - 2 = E, E - 2 = C
M - 2 = K, K - 2 = I, I - 2 = G, G - 2 = E