Question :
n a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is:
1. 1 Hour
2. 2 Houe
3. 4 Hour
4. 6 Hour
Answer :
1 - 1 Hour
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