Question

4. Three bells ring together at 8:30a.m. If they ring at the intervals of 4 minutes
5 minutes and 6 minutes respectively, then at what time will they ring together
next?
(A) at 8:45 a.m. (B) at 9:30 a.m. (C) at 9:45 a.m. (D) at 10:15 am
​

Answer 1

Answer:

I think option d is the right answer