If a body covers a distance at the rate of x km/h and another equal di – McqOptions

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1.	If a body covers a distance at the rate of x km/h and another equal distance at the rate of y km/h, then the average speed (in km/h) is
A.	√xy
B.	x + y/xy
C.	x + y/ 2
D.	2x y/ x + y
Answer» E.

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