Question

Three clocks ring at interval of 9 minutes,20 minutes and 36 minutes. if they ring together at 8:56 a.m., at what time will they ring again together

Answer 1

Answer:

answer is 11:56

Step-by-step explanation:

as lcm of 20,9 and 36 is 180 which is 3hrs

mark brainliest pls

Answer 2

Step-by-step explanation:

36×5= 180

20×9=180

9×20=180

60min = 1 hour

180min = 3 hours

So, The three clocks will ring at the same time again by 11:56 am