Question

Three balls toll at intervals of 9,12,15 minutes. if they start together after what time will they next toll together​

Answer 1

Answer:

Three balls toll at intervals of 9,12,15 minutes.

To find after what time they will next toll together we have to find their LCM.

LCM of 9,12,15=180

Therefore they will next toll together after 180 minutes =3hrs.

Step-by-step explanation:

Hope it helps....