Which letter-cluster will replace the question mark (?) to complete the given series?
BKUZ, ENWB, ?, KTAF, NWCH
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. HQYD.
Given series: BKUZ, ENWB, ?, KTAF, NWCH
B + 3 = E; E + 3 = H; H + 3 = K; K + 3 = N
K + 3 = N; N + 3 = Q; Q + 3 = T; T + 3 = W
U + 2 = W; W + 2 = Y; Y + 2 = A; A + 2 = C
Z + 2 = B; B + 2 = D; D + 2 = F; F + 2 = H