Question : A car travels at a speed of 60 km/h and covers a particular distance in one hour. How long will it take for another car to cover the same distance at 40 km/h?
Option 1: 2.5 hours
Option 2: 2 hours
Option 3: 1.5 hours
Option 4: 1 hour
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Correct Answer: 1.5 hours
Solution : The distance covered by the first car in one hour at 60 km/h. Distance = Speed × Time = 60 × 1 = 60 km. The time is taken to cover the same distance at a speed of 40 km/h. Time = $\frac{\text{Distance}}{\text{Speed}} = \frac{60}{40}$ = 1.5 hours Hence, the correct answer is 1.5 hours.
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