Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
RSU, NXO, JCI, ?, BMY
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3, i.e., FHC.
R - 4 = N, N - 4 = J, J - 4 = F, F - 4 = B,
S + 5 = X, X + 5 = C, C + 5 = H, H + 5 = M
U - 6 = O, O - 6 = I, I - 6 = C, C - 6 = Y