If they run the same way round the track, when…

If they run the same way round the track, when do they first meet?

Question 68

MediumOriginal question

A and B run round a 400 m circular track from the same point at the same moment, A at 5 m/s and B at 3 m/s.

If they run the same way round the track, when do they first meet?

50 secondsCorrect answerYour answer80 secondsCorrect answerYour answer

\frac{400}{3}

secondsCorrect answerYour answer200 secondsCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer D

Correct answer: D

Worth noting

50 seconds adds the speeds, which is for running towards each other.

Ten questions from Races & Games, at your own pace.

Ten questions from Races & Games, at your own pace.