Select the letter-cluster from among the given options that can replace the question mark (?) in the following series. XYZ, ABC, DEF, ?AGFSBGCACKOHDGHIAnswer: D. GHI Read Explanation: The pattern consists of consecutive groups of three letters:XYZABCDEFGHIAfter DEF, the next cluster is GHI.Answer: GHI Read more in App