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- Six bells commence tolling together and toll at the intervals of 2,4,6,8,10,12 seconds resp.
Question 1:
Six bells commence tolling together and toll at the intervals of 2,4,6,8,10,12 seconds resp. In 60 minutes how many times they will toll together. A. 15
B. 16
C. 30
D. 31
Feedback LCM of 2-4-6-8-10-12 is 120 seconds, that is 2 minutes.
Now 60/2 = 30
Adding one bell at the starting it will 30+1 = 31
Now 60/2 = 30
Adding one bell at the starting it will 30+1 = 31
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