If a boat goes upstream at a speed of 24 km/hr and comes back the same – McqOptions

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1.	If a boat goes upstream at a speed of 24 km/hr and comes back the same distance at 40 km/hr. What is the average speed (in km/hr) for the total journey?
A.	32
B.	30
C.	31
D.	33
Answer» C. 31

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