Question

4 bell ring at an interval of 10,15,20and 25 minutes. All the four bells ring at 7'o clock in the morning. When will they ring together again.​

Answer 1

Answer:

Step-by-step explanation:

LCM of 10, 15, 20 and 25 is 300.

300 minutes= 5 hours

So they will ring together again after 5

hours or at 12 noon