Select the letter-cluster that can replace the question mark (?) in the following series.
DREAM, DREAO, DRECO, DRGCO, DTGCO, ?1
GTGCO
2
ETGCO
3
FTGCO
4
DTGCO
5
Question Not Attempted
Select the letter-cluster that can replace the question mark (?) in the following series.
DREAM, DREAO, DRECO, DRGCO, DTGCO, ?