A car finishes a journey in ten hours at the speed of 60 km/hr. If the same distance is to be covered in eight hours how much more speed does the car have to gain?	Choose the correct choice from the following answers:
A) 8 km/hr B) 10 km/hr C) 12 km/hr D) 16 km/hr E) None of these
16 km/hristance covered by the car = 64 × 10 = 640 km   \ Speed = 640⁄8 = 80 km/hr   \ Speed gain = 80– 64 = 16 km/hr   Answer 16 km/hr
<result>D</result>
A car finishes a journey in ten hours at the speed of 60 km/hr. If the same distance is to be covered in eight hours how much more speed does the car have to gain?