Which letter-cluster will replace the question mark (?) to complete the given series?
MKPN, LMOP, ?, JQMT, ISLV
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. KONR.
M - 1 = L; L - 1 = K; K - 1 = J; J - 1 = I
K + 2 = M; M + 2 = O; O + 2 = Q; Q + 2 = S
P - 1 = O; O - 1 = N; N -1 = M; M - 1 = L
N + 2 = P; P + 2 = R; R + 2 = T; T + 2 = V