A car finishes a journey in ten hours at the speed of 65 km/hr. If the same distance is to be covered in five 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) 65 km/hr
D) 16 km/hr
E) None of these
Distance covered by the car = 65 × 10 = 650 km   \ Speed = 650⁄5 = 130 km/hr   \ Speed gain = 130 – 65 = 65 km/hr   Answer 65 km/hr
<result>C</result>
A car finishes a journey in ten hours at the speed of 65 km/hr. If the same distance is to be covered in five hours how much more speed does the car have to gain?