medium · GMAT Quantitative Reasoning
Three automated assembly lines ring a maintenance alert every 15, 20, and 35 minutes, respectively, and all three ring an alert simultaneously at 1:00 PM.
What is the next time they will all ring together?
- 2:10 PM
- 8:00 PM
- 6:00 PM
- 5:00 PM
- 4:40 PM
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