A man is walking at a speed of 10 km per hour. After every kilometre, he takes rest for 6 minutes. How much time will be take to cover a distance of 6 kilometres?	Choose the correct choice:  A) 48 min.  B) 50 min.  C) 66 min.  D) 55 min.  E) None of these
Rest time = Number of rest Ã— Time for each rest   = 5 Ã— 6 = 30 minutes   Total time to cover 6 km   = (6â„10 Ã— 60)minutes + 30 minutes = 66 minutes   Answer 66 min.
<result>C</result>
A man is walking at a speed of 10 km per hour. After every kilometre, he takes rest for 6 minutes. How much time will be take to cover a distance of 6 kilometres?