Question

*Six bells commence ringing together and they ring at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. How many times do they ring together in 30 minutes?* 1️⃣ 2 2️⃣ 15 3️⃣ 1800 4️⃣ 120​

Answer 1

Answer:

30 minutes, how many times do they toll together ? 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.07-Aug-2019

Step-by-step explanation:

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Answer 2

Answer:

120 seconds=2 minutes

Step-by-step explanation:

LCM of 2,4,6,8,10,12

LCM=120

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