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A person travels equal distances with speed of 3 km/hr, 4 km/hr and 5 km/hr and takes a total of 47 minutes. Find the total distane

A. 3 km

B. 4 km

C. 6 km

D. 9 km

Correct Answer :

A. 3 km


Let the distance be 3x km,
then, x3+x4+x5=4760
47x60=4760
x=1
So total distance = 3*1 = 3 Km

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