Question

11. Five bells ring simultaneously and after words at intervals of 46,8,10
and 12 minutes respectively. At what interval will they all ring together?
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Answer 1

Answer:

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Answer 2

Answer:

The least common multiple (LCM) of 2, 4, 6, 8, 10, and 12 is 120. Thus, the bells toll together every 120 seconds (or 2 minutes), so in 30 minutes they will toll simultaneously 30/2 = 15 times.