Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
BY, ?, DW, EV, FU
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. CX.
Given series: BY, ?, DW, EV, FU
B + 1 = C, C + 1 = D, D + 1 = E, E + 1 = F
Y - 1 = X, X - 1 = W, W - 1 = V, V - 1 = U