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1. |
A column of men, extending 250 metres in length takes one hour to march through a street at the rate of 50 paces a minute, each pace being 75 cm. Find the length of the street ? |
A. | 2 km |
B. | 1 km |
C. | 1.5 km |
D. | 2.5 km |
Answer» B. 1 km | |