In 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:

In a flight of 600 km, an aircraft was slowed down due to bad weather

1.	In 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:
A.	1 hour
B.	2 hours
C.	3 hours
D.	4 hours
Answer» B. 2 hours

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