The speed of a plane was raised by 60% by the pilot and then the raise – McqOptions

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1.	The speed of a plane was raised by 60% by the pilot and then the raised speed was reduced by 50%. The speed measured by the sonic radar at this point of time was 2400 km/h. Find the initial speed of the plane.
A.	3000 km/h
B.	2800 km/h
C.	2400 km/h
D.	3200 km/h
Answer» B. 2800 km/h

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