Question

four runners started running simultaneously from a point on a circular track. they took 200s, 300s, 360s and 450s to complete one round. after how much time do they meet at the starting point for the first time?​

Answer 1

Answer:

1800 seconds

Step-by-step explanation:

Required time = LCM of 200, 300, 360 and 450 seconds

We find , LCM of 200, 300, 360 and 450 seconds = 1800 seconds

∴ Required time = 1800 seconds

Answer 2

Answer:

1800

Step-by-step explanation:

DOING BY LCM OF 200 ,300 ,350 ,450