Discussion :: Races and Games
- A runs 1 times as fast as B. If A gives B a start of 80 m, how far must the winning post be so that A and B might reach it the same time?
Answer : Option A
Explanation :
The Ratio of the speed of A and B
= 5: 3
Thus, in a race of 5 m, A gains 2 m over B
2 m are gained by A in a race of 5 m
80 m will be gained by A in a race of =
∴ the winning post is 200 m away from the starting point.
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