Quantum

[ Information | Background | The CyberTeaser | Quantum News | Miscellaneous Stuff ]

Quantum CyberTeaser: July/August 1995


B146

A 1995 problem. How many numbers end in the four digits 1995 and become an integer number of times smaller when these digits are erased?
[V. Dubrovsky]

Solution


The winners:

  • Matt Nehring (Boulder, Colorado)
  • Denis E. Baker, Cheng-Chih, and Don (Columbus, Ohio)
  • Carl Bosley (Topeka, Kansas)
  • Cyrus Hsia (Scarborough, Ontario)
  • Robert Au (Stanford, California)
  • Arnd Roth (Heidelberg, Germany)
  • Paul Grayson (Urbana, Illinois)
  • Francis Trudeau (Montreal, Quebec)
  • Sean McLennan (Calgary, Alberta)
  • Louis Smadbeck (Edgartown, Massachusetts)
  • Hal and Matt Harris (St. Louis, Missouri)
  • Yakov Kronrod (Marietta, Georgia)

CyberTeaser Archive


Quantum Control Panel
Information | Background | The CyberTeaser | Quantum News | Miscellaneous Stuff


Copyright 1995, 1996 National Science Teachers Association
All rights reserved