three bells ring at intervals of time can break 15 minutes and 20 minutes after how much time will all the bells ring together
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Answer:
Answer:After 1hour
Answer:After 1hourStep-by-step explanation:
Answer:After 1hourStep-by-step explanation:We only need to find LCM of these intervals
LCM of 15 and 20=60 min
so after 1 hour , those bells ring together
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