Question

3% take 3 minutes 20 seconds 3 minutes 40 seconds and 4 minutes to run on a ground track if the three starts together at 12 noon when will they meet next

Answer 1

Answer:

they will meet each other by 3:40 p.m.

Step-by-step explanation:

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Answer 2

Answer:

they will meet at their least common multiple i. e lcm of

3 minutes 20 seconds =200seconds

3 minutes 40 seconds =220 seconds

4 minutes= 240 seconds

lcm of 200,220 and 240 is 13200 seconds there fore they will meet after 13200 seconds or 220 minutes or 3 hours 40 minutes