Question

there are four bells which tool which toll at intervals of 3,7,12 and 14 sec respectively the four bellsbegin to toll at 12 o`clock. when will they next toll together and often they do so in 14 minutes?​

Answer 1

Step-by-step explanation:

Lcm (3,7,12,14) =84

84 sec = 1 min 24 sec

the next toll together is 12:01 24 sec

14 min =840 sec

840\ 84 = 10

so they do so 10 times in 14 min