Question
How many minutes does Aditya take to cover a distance of 400 m, if he runs at a speed of 20 km/hr?
How many minutes does Aditya take to cover a distance of 400 m, if he runs at a speed of 20 km/hr?
Answer: Option B
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Aditya's speed = 20 km/hr = {20 * 5/18} m/sec = 50/9 m/sec
Time taken to cover 400 m= { 400 * 9/50 } sec = 72/60 min = 6/5 min
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