Which of the following letter-clusters will replace the question mark (?) in the given series to make it logically complete?
HUD, LXE, PAF, TDG, ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. XGH.
HUD, LXE, PAF, TDG, ?
H + 4 = L, L + 4 = P, P + 4 = T, T + 4 = X
U + 3 = X, X + 3 = A, A + 3 = D, D + 3 = G
D + 1 = E, E + 1 = F, F + 1 = G, G + 1 = H