2016 · Q44
In a race of 1 km, A can beat B by 40 m and B can beat C by 50 m. With how much distance can A beat C in a 0.5 km race ?
General Mental Ability, Quantitative Aptitude and StatisticsTime, work and measurement
- A42m
- B43m
- C44m
- D45m
Explanation
When A runs 1000 m, B runs 960 m; when B runs 1000 m, C runs 950 m. So when A runs 1000 m, C runs 950 × 960/1000 = 912 m — A beats C by 88 m in a 1 km race, hence by half that, 44 m, in a 0.5 km race. Hence (C).