In a school duration of a period in primary
section is 40 mins and that of the secondary
Section is 45 mins. If the bell for each section
rings at 7a.m when will two bells ring
together again?
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Answer:
Hey there,
We know that In a school the duration of a period in junior section is 40 minutes and in senior section is 1 hour .
To solve the problem we have to find the least common multiple of 40 mins and 1 hr (60 min)
The least common multiple of 40 , 60 is 120
2³⋅3^1⋅5^1=120
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