Select the letter-cluster from among the given options that can replace the question mark (?) in the following series. GHZ, HIY, IJX, JKW, ?
AJHG
BKLV
CKMN
DHGK
AJHG
BKLV
CKMN
DHGK
Related Questions:
If'+'means '- ','-' means ''','' means '' and '' means '+', what will come in place of the question mark (?) in the following question?