SOLUTION: Four bells ring at intervals of 6,8,12 and 20 minuts. They ring simultaneously at 10 a.m.At what time they will ring again?

Question 1095953: Four bells ring at intervals of 6,8,12 and 20 minuts. They ring simultaneously at 10 a.m.At what time they will ring again?
Answer by ikleyn(52810) (Show Source): You can put this solution on YOUR website!
.
Four bells ring at intervals of 6,8,12 and 20 minuts. They ring simultaneously at 10 a.m.At what time they will ring again?
~~~~~~~~~~~~~~~~~~~~~~~~

The least common multiple (LCM) of these numbers is 8*3*5 = 120.


Answer.  In 2 hours, i.e. at midday.

RELATED QUESTIONS
What is the answer if four bells ring simultaneously and afterwards at intervals of 3, 4, (answered by ikleyn)

Four bells ring at intervals of 3,7,12 and 14minutes respectively.All four rang together... (answered by jim_thompson5910)

3bells ring at interval of 5mins, 12mins and 15 mins resptvly. They ring simultaneously... (answered by josmiceli)

After ringing together 5 Bells begin to ring at intervals of 9 seconds, 6 seconds, 4... (answered by ankor@dixie-net.com)

three schools bells ring at intervals of 6,12 and 15 minutes respectively. If they ring... (answered by Edwin McCravy)

Three bells ring at the interval of 10,15 and 20 minutes respectively . If they all ring... (answered by FrankM,reviewermath,ankor@dixie-net.com)

5 bells ring at interval of 15, 162, 6, 48, 18 seconds respectively. If the bells ring... (answered by htmentor)

Please help me on this question I tried but I couldn't do it. Three bells ring at... (answered by josmiceli)

three bells ring at intervals of 7,10,14 minutes respectively.they begin by ringing... (answered by Earlsdon)