Question

Six belles commence telling and toll at intervals of
2,4,6,8, 10, 12 second respectively. In 30 minutes, how
many
times do they toll together?​

Answer 1

Answer:

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Answer 2

Answer:

15 times

Step by step explanation:

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.