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In a flight of 600 km, an aircraft wa...

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. Find the duration of flight.

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RD SHARMA ENGLISH-QUADRATIC EQUATIONS-All Questions
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  3. In a flight of 600 km, an aircraft was slowed down due to bad weath...

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  8. A passenger train takes 2 hours less for a journey of 300 km if its...

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  9. A train covers a distance of 90 km at a uniform speed. Had the spee...

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