A certain distance is covered at a certain speed. If double distance is covered in half this time, the ratio of the two

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A certain distance is covered at a certain speed. If double distance is covered in half this time, the ratio of the two speeds is

A. \(4 {:} 1\)
B. \(2 {:} 1\)
C. \(1 {:} 2\)
D. \(1 {:} 4\)
E. \(1 {:} 5\)

OA D
Source: — Problem Solving |