pyq/2015/csat/34
In a 500-meter race, B starts 45 meters ahead of A, but A wins the race while B is still 35 meters behind. What is the ratio of the speed of A to B assuming that both start at the same time?
(A) 25:21
(B) 25:20
(C) 5:3
(D) 5:7
In a 500-meter race, B starts 45 meters ahead of A, but A wins the race while B is still 35 meters behind. What is the ratio of the speed of A to B assuming that both start at the same time?
(A) 25:21
(B) 25:20
(C) 5:3
(D) 5:7