Question

Six bells commerce tolling together and toll at intervals of 2,4,6,8,10and12 seconds respectively. in 30 min, how many times will they toll together? ​

Answer 1

Answer:

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.

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Answer 2

Step-by-step explanation:

im this you have to first take out the LCM of the seconds given and the divide it by 30minutes =1800seconds