In a school the duration of a period in junior section is 40 minutes and in senior section is 1 hour .If the 1 st bell rings at 9:00 am then when will the two ring together ?
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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
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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