The Cassette Recorder
A lily pad doubles in size every day. If on the 60th day the pond is filled with the lily pad.
On what day is the pond only half covered?
Ah! Click here to read the solution.
The 59th day.
It doubles every day, and if the pond is half full on the 59th day, then it is filled on the 60th day. 🙂 Easy 😉
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