In a school three bells ring at intervals of 45 minutes, 60 minutes and 90 minutes for middle group, secondary group and senior secondary group respectively. If all three bells rung together at 8:00 am for the first time, at what time will the three bells ring altogether again after 12 noon?
Answers
Answered by
1
Step-by-step explanation:
for the answer please see the attachment
hope this helps you
Attachments:
Similar questions