Math, asked by aarnavraipancholia, 6 months ago

Three different sirens ring in a factory at intervals of 20, 24 and 30 minutes respectively. They ring together at 9.30 am. When will they ring again?

Answers

Answered by rajeevr06

1

Answer:

LCM of 20, 24, 30 = 120 min. = 2 hours i.e they ring again at 9.30+2 = 11:30 am

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