A pilot flies an aircraft at a certain speed for a distance of 800 km. He could have saved 40 min by increasing the average speed of the plane by 40 km/h. Find the average speed of the aircraft.

A pilot flies an aircraft at a certain speed for a distance of 800 km.

1.	A pilot flies an aircraft at a certain speed for a distance of 800 km. He could have saved 40 min by increasing the average speed of the plane by 40 km/h. Find the average speed of the aircraft.
A.	200 km/h
B.	300 km/h
C.	240 km/h
D.	160 km/h
E.	None of these
Answer» B. 300 km/h

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A pilot flies an aircraft at a certain speed for a distance of 800 km. He could have saved 40 min by increasing the average speed of the plane by 40 km/h. Find the average speed of the aircraft.

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