Which of the following letter-clusters will replace the question mark (?) in the given series?
RI, PK, LO, FU, XC, ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. NM.
Given series: RI, PK, LO, FU, XC, ?
R - 2 = P; P - 4 = L; L - 6 = F; F - 8 = X; X - 10 = N
I + 2 = K; K + 4 = O; O + 6 = U; U + 8 = C; C + 10 = M