An “A” train leaves a subway station every 12 minutes. An “E” train leaves every 9 minutes. If both trains just left the station on parallel tracks, when will both leave the station together again?
Ain 108 minutes
Bin 36 minutes
Cin 72 minutes
Din 24 minutes
Ain 108 minutes
Bin 36 minutes
Cin 72 minutes
Din 24 minutes