hard · GMAT Quant
A production engineer notes that a machine produces a defect every 12 minutes and another machine produces a defect every 18 minutes.
If both machines produce a defect at 12:00 PM, at what time will they next simultaneously produce a defect?
- 12:18 PM
- 12:30 PM
- 12:36 PM
- 1:12 PM
- 1:00 PM
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