Given the following reasoning and answer, what was the question? Distance covered by the car = 80 10 = 800 km
\ Speed = 8008 = 100 km/hr
\ Speed gain = 100 80 = 20 km/hr
The answer: (E)
The question A car finishes a journey in ten hours at the speed of 80 km/hr. If the same distance is to be covered in eight hours how much more speed does the car have to gain?
Options:
(A) 8 km/hr
(B) 10 km/hr
(C) 12 km/hr
(D) 16 km/hr
(E) None of these