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17. In a school, the duration of a period in junior section is 40 minutes, and in mir
section is 60 minutes. If the first bell for each section rings at 9 a.m. When will the two
bells ring together again?
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Find the LCM of 40 and 60 .that is 120
so after 120 mins both bells will ring together
it means after 2 hours
9 + 2 = 11 a.m.
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so after 120 mins both bells will ring together
it means after 2 hours
9 + 2 = 11 a.m.
I think this will help you
If it helps please mark as brainliest
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