Three bus services operate from the same depot.
The first service leaves at 10 minute intervals,the second at 15 minute intervals and the third at 25 minute intervals.All three services leave the depot together at
08:00.Find the time when the three services next leave the depot together.
三辆公车从同一个车站出发.第一辆车10分钟一个来回,第二辆15分钟一个来回,第三辆25分钟一个来回.三辆车同于8:00出发.求下一次三辆车同时从车站出发的时间.
10,15,25的最小公倍数是150（分钟）即 两个半小时.
故10:30三辆公车再次同时从车站出发.