Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
OTE, PUF, QVG, RWH, ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. SXI.
O + 1 = P, P + 1 = Q, Q + 1 = R, R + 1 =S
T + 1 = U, U + 1 = V, V + 1 = W, W + 1 =X
E + 1 = F, F + 1 = G, G + 1 = H, H + 1 = I