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| Author/Contributor(s): |
Brown, Lester Russell
|
| Publisher: |
W. W. Norton & Company
|
| Date: |
04/01/1978
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| Binding: |
Paperback
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| Condition: |
NEW
|
A lily pond, so the French riddle goes, contains a single leaf. Each day the number of leaves doubles--two leaves the second day, four the third, eight the fourth, and so on. Question: If the pond is completely full on the thirtieth day, when is it half full? Answer: On the twenty-ninth day.
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