Six bells commence tolling together and …

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Yogita Ingle 5 years, 3 months ago
Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10, 12 minutes respectively.
Hence, using LCM of the given numbers which is 120 we conclude that bell will toll together after 120 seconds = 2 minutes.
In 30 minutes they will toll together in 30/2 = 15 and 1 (at the starting).
Hence, total number of bells together is 15 + 1 = 16
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