2015 · Q32
Three athletes run a 4 km race. Their speeds are in the ratio 16 : 15 : 11. When the winner wins the race, then the distance between the athlete in the second position to the athlete in the third position is
Elementary MathematicsAlgebra
- A1000 m
- B800 m
- C750 m
- D600 m
Explanation
When the winner covers 4000 m, the second covers 4000 x 15/16 = 3750 m and the third 4000 x 11/16 = 2750 m; the gap between them is 1000 m. Hence option (a).