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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

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Ans or question is wrong..
t^2 + 30 t = 90
this equation will come..
13 years agoHelpfull: Yes(0) No(1)

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