In a race of 200 m, A can beat B by 31 m and C by 18 m. In a race of 350 m, C will beat B by:
A : B = 200 : 169.
A : C = 200 : 182.
When C covers 182 m, B covers 169 m.
Therefore, C beats B by (350 - 325) m = 25 m.
In 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:
A beats B by 20 metres.
In a game of 100 points, A can give B 20 points and C 28 points. Then, B can give C:
A : B = 100 : 80.
A : C = 100 : 72.
B can give C 10 points.
In a 200 metres race A beats B by 35 m or 7 seconds. A's time over the course is:
B runs 35 m in 7 sec.
B's time over the course = 40 sec.
A's time over the course (40 - 7) sec = 33 sec.
A can run 22.5 m while B runs 25 m. In a kilometre race B beats A by:
B beats A by 100 m.
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