In a flight of 600km, an aircraft was slowed down due to bad weather, it's average speed for the trip was reduced by 200km/h and the time of flight increased by 30 minutes. Find out the duration of the flight.
Correct Answer: Option A
Let the duration of the flight be x hours.
Then, 600/x - 600/x+(1/2) = 200
Now solve for the value of x
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