Three bells start ringing together, and then ring at intervals of 3, 5

1.	Three bells start ringing together, and then ring at intervals of 3, 5 and 10 minutes respectively. The three bells will ring together every 30 minutes. In a period of 2 hours, how many times will the three bells ring together? Don’t forget to count the initial moment when they rang together.
Answer» Answer: 5 TIMES they will RANG together. 00:00, 00:30, 01:00, 01:30, 02:00 HOPE IT HELPS

Three bells start ringing together, and then ring at intervals of 3, 5 and 10 minutes respectively. The three bells will ring together every 30 minutes. In a period of 2 hours, how many times will the three bells ring together? Don’t forget to count the initial moment when they rang together.

Answer»

Answer:

5 TIMES they will RANG together.

00:00, 00:30, 01:00, 01:30, 02:00

HOPE IT HELPS