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Four bells ring at intervals of 10 min, 12 min, 15 min, and 20 min, respectively. If they ring together at 8 a.m., find out the interval of time after which they will ring together again.
Read Solution (Total 6)
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- they will ring together at 9am
- 10 years agoHelpfull: Yes(3) No(0)
- 10am using lcm
- 10 years agoHelpfull: Yes(1) No(3)
- 1 hour bcz lcm is 60
- 10 years agoHelpfull: Yes(1) No(0)
- lcm of 10,12,15,20=120min
2hrs after from 8 a.m
tha means 10am - 10 years agoHelpfull: Yes(0) No(2)
- lcm of 10,12,15,20min=60min
so after 1hr,at 9 am they 'll ring together - 10 years agoHelpfull: Yes(0) No(0)
- they will ring together at 9 am....by taking the lcm.....
- 10 years agoHelpfull: Yes(0) No(0)
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