DOUBT COVERED BY SHOBHIT NIRWAN In a flight of 2800 km, an aircraft was slowed down due to bad weather. Its average speed is reduced by 100 km/h and by doing so, the time of flight is increased by 30 minutes. Find the original duration of the flight. #shobhitnirwan #class10 #doubtbyshobhit #shobhitnirwandoubt