P, Q and R start running around a circular field having circumference 120 metre at the same time from the same point speeds of P, Q and R are 4 m/minute 8m/minute and 10m/minute find after how much time, they will meet again at the same point for the first time
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Answered by
4
★Answer★
Time taken by P to complete one round
= 120/4 = 30 minutes
Time taken by Q to complete one round
= 120 /8 = 15 minutes
Time taken by R to complete one round
= 120 /10 = 12 minutes
LCM of 30, 15 and 12 = 60
Hence, they will meet after 60 minutes.
Answered by
29
Answer:
LCm of 30 , 15 and 12 = 60
Hope it will be helpful ✌️
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