Question

Four bells ring at intervals of 3, 7, 12, and 14 minutes, respectively. All four rang together at 12 noon. When will they ring together again?​

Answer 1

Answer:

In 1 hour 24 minutes

Step-by-step explanation:

Answer 2

Answer:

take LCM

Step-by-step explanation:

LCM of 3,7,12,14 is 84

so bells will ring after 84 minutes

1 hour = 60 min

?= 84min

84/60= 7/5 hours= 1hour 40 min

from 12noon 1 hour 40 min is 1:40 pm