Which term from among the given options can replace the question mark (?) in the following series to make it logically complete?
XD 45, YE 53, ? , AG 58, BH 55
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. ZF 50.
Given series: XD 45, YE 53, ? , AG 58, BH 55
X + 1 = Y; Y + 1 = Z; Z + 1 = A; A + 1 = B
D + 1 = E; E + 1 = F; F + 1 = G; G + 1 = H
45 + 8 = 53; 53 - 3 = 50; 50 + 8 = 58; 58 - 3 = 55