Question

3. Four runners started running simultaneously from a point on a circular track. They took 200 s, 300 s, 360 s
and 450 s to complete one round. After how much time do they meet at the starting point for the first time?
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Answer 1

Answer:

1800 seconds or 30 minutes

Step-by-step explanation:

Runner one took 200s

Runner two took 300s

Runner three took 360s

Runner four took 400s

In this scenario, we can get the time by find the LCM of the given times

LCM of 200,300,360,400 = 1800

After 1800 seconds all the four will meet at the starting point

Answer 2

Answer:

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