A car travels at a speed of 60 km/hr and covers a particular distance in one hour. How long will it take for another car to cover the same distance at 40 km/hr?
[A] 1\ hours
[B] \frac{3}{2}\ hours
[C] 2\ hours
[D] \frac{5}{2}\ hours

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This question is part of UPSC Prelims Practice and Mock Tests membership programme.