A train covers a distance of 30 km at a speed of 40 km/h and another 3 – McqOptions

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1.	A train covers a distance of 30 km at a speed of 40 km/h and another 30 km/h at the speed of 20 km/h. What is the average speed:
A.	32
B.	30
C.	25
D.	None
Answer» E.

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