Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
BER, EAT, HWV, ?, NOZ
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. KSX
Given series: BER, EAT, HWV, ?, NOZ
B + 3 = E, E + 3 = H, H + 3 = K, K + 3 = N
E - 4 = A, A - 4 = W, W - 4 = S, S - 4 = O
R + 2 = T, T + 2 = V, V + 2 = X, X + 2 = Z