In a shop, there are three clocks which chime at intervals of 15,20 and 30 minutes respectively. If they all chime together at 10 a.m, at what time they all chime together again in the morning?
In a shop, there are three clocks which chime at intervals of 15,20 and 30 minutes respectively. If they all chime together at 10 a.m, at what time they all chime together again in the morning?