Question

2. Three bells ring at intervals of 10, 12 and 15 minutes. If they sang together as 8:30 am, when will they ring together again?

answer in 15 mins​

Answer 1

Answer:

9:30am

Step-by-step explanation:

Three bells ring at intervals of 10, 12 and 15 minutes. We will take the LCM to find the answer.

LCM of 10 ,12, 15= 60

therefore , after 60 minutes( 1 hour) the bells will ring together .

So the answer will be 8:30 +1 hour = 9:30 am