A car finishes a journey in five hours at the speed of 100 km/hr. If the same distance is to be covered in two hours how much more speed does the car have to gain?	Options
A) 8 km/hr
B) 10 km/hr
C) 150 km/hr
D) 16 km/hr
E) None of these
Distance covered by the car = 100 × 5 = 500 km   \ Speed = 500⁄2 = 250 km/hr   \ Speed gain = 250 – 100 = 150 km/hr   Answer 150 km/hr
<result>C</result>
A car finishes a journey in five hours at the speed of 100 km/hr. If the same distance is to be covered in two hours how much more speed does the car have to gain?