In a school the duration of a class inthe primary section is 40 and secondary section it is 1 hour. If both sections begin at 9a.m when will bells of the two sections ring together again?
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p1 =40
p2=60
after 6 period inp1 240 min
after 4 period in p2 240 min
so 240/60=4 hour
so 9+3=12 am
so 12am+1hr=1pm
p2=60
after 6 period inp1 240 min
after 4 period in p2 240 min
so 240/60=4 hour
so 9+3=12 am
so 12am+1hr=1pm
9412615731:
Hyy... No this is wrong ans..
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