Math, asked by garvitajaiswal, 1 year ago

an electronic device make a beep after 15 minutes and other device make a beep after 20 minutes they work together at 6 p.m. at what time they will next be together

Answers

Answered by govindmenon03oydk1m

0

The answer would be 7 pm. All u have to do is to take LCM of 15 and 20.
Hope this works

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