There is a circular path in a sports ground Rucha takes 15min to complete one round of the ring and Dev takes 20min for the same . If they start running at the same initial point in the same direction at 8am when will they meet again at first time ? How many rounds will be taken by each of them ?
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Answer:
The meet after one hour ,and Richard complete 4 round,and dev complete 3 round
Step-by-step explanation:
First take the lcm of 15,20= 60min
This is the time ,after 60 min they meet first
How to take lcm = 15 ,20
Take factor of both 15 = 5*3
20=5*4
Take the commen 5 *3*4= 60
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