A car travels at a speed of 70 km/hr and covers a particular distance in one hour. How long will it take for another car to cover the same distance at 20 km/hr?

A car travels at a speed of 70 km/hr and covers a particular distance in one hour. How long will it take for another car to cover the same distance at 20 km/hr?

1). 7/2 hours
2). 1 hours
3). 5/2 hours
4). 2 hours

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