Six bells commence tolling together and toll at interval of 2, 4 , 6, 8 , 10 , 12 minutes respective
Channel: Doubtnut
Date: 2019-12-27

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

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