Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
TRO : QMN :: BLA : ?
TRO : QMN
TRO ==> (T-3) (R-5)Â (O-1) ==>Â QMN
BLA : ?
BLA ==>Â (B-3) (L-5) (A-1) ==> YGZ
Hence 'YGZ' will come in place of the question mark.
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