Question

Three bells rings at interval of 10,12,15 minutes. They rang together at 12 noon, when will they next ring together?​

Answer 1

Answer:

Three bells ring at intervals of 12, 15 and 18 seconds respectively if they started ringing together at 8:35 a.m. at what time will they together again after the earliest. Three bells ring at intervals of 12, 15 and 18 seconds . Hence after 3 minutes they will ring together agai

Answer 2

Find the LCM of them
10= 2*5
12= 2*2*3
15= 5*3

LCM= 60
It’ll ring back together at 12:00 plus 60 minutes I.e. 1:00 pm