four bells begin to toll together and toll respectively at intervals of 5,6,8 and 12 s. how many times will they toll together in an hour excluding the one at the start?
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Answer:
22 times
Step-by-step explanation:
LCM(5,6,8,12)=160
in one hour we have 60*60=3600 seconds
for the number of times they toll together= 3600/160= 22.5 ~~ 22times
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