Which letter-cluster will complete the given series?
BHERZ, DGHTX, FFKVV, _________
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. HENXT.
B + 2 = D; D + 2 = F; F + 2 = H
H - 1 = G; G - 1 = F; F - 1 = E
E + 3 = H; H + 3 = K; K + 3 = N
R + 2 = T; T + 2 = V; V + 2 = X
Z - 2 = X; X - 2 = V; V - 2 = T