a passenger, while boarding the plane slipped from the stairs and got hurt. the pilot took the passenger in the emergency clinic at the airport for treatment. due to this the plane got delayed by half an hour. to reach the destination 1500km sway in time so that the passengers could catch the connecting flight, the speed of the plane was increased by 250km/hour than the usual speed. find the usual speed of the plane.
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(1500/x) -(1500/(x+250))=0.5
so by solving this we get x= 750 km/hr which is usually speed of plane
so by solving this we get x= 750 km/hr which is usually speed of plane
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