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Here's another one I picked off the Beginners forum. It's a [#permalink]
23 Jun 2005, 00:25
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Here's another one I picked off the Beginners forum. It's a straight-forward question, but apart from deriving the answer by brute-force, I want to see if anyone has a more systematic approach.
Trains leave a town B at 3pm and every 10 hours after that. train leave town C at 4pm and every 15 hours after that. if trains follow this schedule beginning on a monday, what is the earliest day on which the trains leave at the same time?