Four bells toll at intervals of 4, 7, 12 and 84 seconds. The bells toll together at 5 pm. When will they toll together (hr: min: sec)
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Step-by-step explanation:
LCM of 4,7,12,84 is 84
next bell rings after 84 seconds
therefore 84sec = 1 min 24 sec
time is (05:01:24)
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