Three bells chime at intervals of 48, 60 and 90 minutes respectively. If all the three bells chime together at 10 AM, at what time will all the three chime again that day?

• lcm of 48,60,90=720 mins=12 hrs
  
  so bells chime again atb 10 pm
• 10 years agoHelpfull: Yes(10) No(1)
• l.c.m of 48, 60, 90 = 240 minutes = 4 hrs
  
  
  so it would bell again at 2 PM
• 10 years agoHelpfull: Yes(1) No(5)