Question

wien when divided by 112 and 280 leaves a remainder of 9.
in a multiplex cinema, the duration of a film in one hall is 90 minutes and that of another
film in another hall is 120 minutes. If both the films start at 10:00 a.m., when will the 2
halls start their films together again? in detail form
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Answer 1

Answer:

1st cinema completes in 90 min

2 me cinema ends 8n 120 min

8f both start at 10 am we have to take lcm of the time taken

LCM=360 it means 6 he later

then the two halls start the movie at4 pm together