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  Word & Letter Play
 
A?
 
Q If you start with the number one and use only integers (whole numbers), how far do you have to count before you need to use the letterain spelling a number?


 
A You have to count up toone thousand.

Source: Based on a puzzle inMore Puzzles for Pleasure and Leisureby Thomas L. Hirsch. New York: Abelard-Schuman, 1974.