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LCM and HCF Practice Test 4
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© examsnet.com
Question : 25
Total: 40
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?
1 pm
2 pm
8 pm
10 pm
Validate
Solution:
Three bells chime together at the interval of 48 - 60 - 90 is 720.
All the bells ring together at an interval of 720 minutes.
Time will all three
=
720
60
=
12
hours Chime again that day
So, the time will be = 10 pm
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