Question

four Bells which toll at intervals of 3 7 12 and 14 seconds respectively the four Bells begin to toll and 12 o'clock when will there next door together and how 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 \div 84 = 10840÷84=10

so they do so 10 times in 14 min