How many minutes does Aditya take to cover a distance of 400 m, if he runs at a speed of 20 km/hr?  Answers
A) 1 min B) 1 (1/5) min C) 2 min D) 3 min E) 4 min
Adityaâ€™s speed = 20 km/hr = {20 *5/18}min=50/9 m/s   Time taken to cover 400 m={ 400*9/50= 
<gadget id="calculator">400*9/50</gadget>
<output>72</output>
72 sec=1 (1/5) min   ANSWER 1 (1/5) min
<result>B</result>
How many minutes does Aditya take to cover a distance of 400 m, if he runs at a speed of 20 km/hr?