Question

in a company ther are bell ring after interval of 3,5 and 15 minutes if they ring together at 8:00 AM when they ring together next

Answer 1

8:15 AM

Explanation:

This is an interval question so we use LCM to solve such kind of questions

LCM of 3,5,15=15

So after 15 minutes it will ring again

So at 8:15 AM it will ring