Question

Four bells ring with intervals of 6, 9, 12 and 15 seconds
respectively. All the four bells ring together at 3.00 P.M. At what
earliest time will they ring together again?​

Answer 1

Answer:

3.06 p.m

Step-by-step explanation:

Answer 2

Answer:

3:03 pm

Step-by-step explanation:

taking LCM of 6,9,12,15 we get 180

it means all the bells will ring together at an interval of 180 sec or 3 min

hence all bells will ring at 3:03 pm