Question

three bells ring at intervals of 15,20,30 minute respectivly.if they all ring at 11.00am together,at what time will they next nng together?​

Answer 1

i don't know........ .....

Answer 2

Answer:

At 12:00 pm

Step-by-step explanation:

LCM of 15 , 2p , 30 is 60

Therefore they will ring together after every 1 hour.