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Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds...


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 ? Options : (1) 4 (2) 10 (3) 15 (4) 16

 

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Caleb DRC says

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