Question

three Bells start ringing together at 8:35 if they ring after 12 second 15 second and 18 second respectively each time the next time they will toll together at .
1)8:38am
2)8:40am
3)8:41am
4)8:45am​
please help me

Answer 1

Answer:

Three bells ring at intervals of 12, 15 and 18 seconds respectively. 180 is common in 12, 15 and 18. Therefore, LCM of 12, 15 and 18 is 180. Given : They started ringing together at 8:35 a.m.

Step-by-step explanation:

pls mark brainliest

Answer 2

Answer:

1) 8:38 am

Step-by-step explanation:

LCM of the three given time intervals is the time at which they ring again together

LCM is 180 sec which is 3 min