Walking at the rate of 3 kmph a man cover certain distance in 6hr 40min. Running at a speed of 18 kmph the man will cover the same distance in.
Choose the correct choice from the following answers.
A) 40 min  B) 25 min  C) 54 min  D) 65 min  E) 58 min
Distance = Speed * time     3*20/3= 
<gadget id="calculator">  3*20/3</gadget>
<output>20</output>
20km   New Speed= 18 kmph   Therefore time = 20/18 = 10/9= 54min   Answer : 54 min.
<result>C</result>
Walking at the rate of 3 kmph a man cover certain distance in 6hr 40min. Running at a speed of 18 kmph the man will cover the same distance in.