three balls ring at the interval of 7,10 and 14 minutes respestivly.they begin by ringing together.after how long will they start ringing again?explain how we get it?
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Answer:
70 mins , or 1 hr 10 mins
Step-by-step explanation:
Find the L.C.M of the numbers
L.C.M of 7,10 and 14 = 70
Therefore, they'll ring again together after 70 mins, or 1 hr 10 mins
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