Latest TCS Aptitude Question SOLUTION: Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together?

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Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together?

Solution

ans is d)16
take lcm of 2,4,6,8,10,12 seconds
the outcome is 120seconds.
thats at 2mins once it rings.
in 30mins it will rings 15times together
in 0th second all bells rings together.
so ans is 15+1=16.
This answer is given by ABHISHEK and is correct answer

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Asked In TCS RajkumarMahanta (12 years ago)

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