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What Position

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The digits 1, 2, 3, 4, 5 can be arranged to form more than one hundred different five digit numbers.  If these five-digit numbers are arranged from least to greatest, in what position is 42513?

January 31, 2005
Past Problems  
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E-mail Solutions to: pow@umassd.edu

   
  Correct Solutions 
 
  1. Radu Casian Ionescu. Montreal, Quebec, Canada
  2. Frank McGartland.  Saskatoon, SK., Canada
  3. Hamilton Hardison. University of Georgia, Athens, GA
  4. Jerrold Greenberg. New York, NY
  5. Mike Osterfoss. Colorado School of Mines, Golden, CO
  6. Michael Krawietz. Georgia Tech University, Atlanta, GA
  7. Tilen Thaler. University for Mechanical Engineering, Ljubljana, Slovenia
  8. Rafael Zambrano. Barranquilla, Colombia
  9. Mark Wintczak/ Naperville, IL
  10. Phillip Ai. Warnsdorfer Elementary School, East Brunswick, NJ
  11. Tanvi Rastogi. Bridgewater-Raritan High School, Bridgewater, NJ
  12. Alireza Rezvani Faezifar. Tehran, Iran
  13. Ankita Rastogi. Bridgewater-Raritan Middle School, Bridgewater, NJ
  14. Bekezhan Nurkhaidarov. Richicle Elementary School, Dillon, MT
  15. Lusha Zhou. Richmond Secondary, Richmond, B.C., Canada
  16. Melanie Chanona. Southridge Senior School, Surrey, BC, Canada
  17. Alicia Donoro. University of Florida, Gainesville, FL
  18. D. Dhinesh Vidya Mandir. Chennai, India
  19. Chris Maakal. Pretoria. South Africa
  20. Andre Maakal. Richards Bay, South Africa
  21. David Steele. SIAST, Saskatoon, SK, Canada
  22. Manny Compressor. University of Massachusetts Dartmouth, Dartmouth, MA
  23. Nicholas Sabatino. Southridge School, White Rock, BC, Canada
  24. Peter Schaffer. Budapest University of Technology and Economics (BUTE),
    Budapest, Hungary
  25. Ashley Davison. Goffstown High School, Goffstown, NH
  26. Heather Graham. Southridge Senior School, Surrey, BC, Canada
  27. Josh Rasera. Southridge Senior School, Surrey, B.C, Canada
  28. Mitchell Donald. Southridge School, Surrey, BC,Canada
  29. Trung Vong. Sanford, FL
  30. Farhana Dossa. Southridge School, Surrey, BC, Canada
  31. Mitchell Donald. Southridge School, Surrey, BC, Canada
  32. Carli Charbonneau. Southridge South Surrey, BC, CANADA
  33. Kelsey Martin. Southridge School, BC, Canada
  34. Francois Bonjean. Namur, Belgium
  35. Luan Luu . CSU Long Beach, CA
  36. Chris DesJardins. East Pennsboro Middle School, Enola, PA
  37. Bob Mitchell. Normal, IL
  38. John Manderfeld. Nicolet High School, Milwaukee, WI
  39. Haley Lewandowski. Fern Hill Elementary School, West Chester, PA
  40. Jennie Zeigler. East Pennsboro Middle School, Pennsylvania, MA
  41. Zack Fannon. Adams Elementary School, Layton, UT
  42. Gilbert Lin. John Baldwin Elementary, Danville, CA
  43. Graydon Botsford. Southridge School, BC, Canada
  44. Megan Brockman.Southridge Senior School,Surrey, BC, Canada
  45. Roland Vynck.Brugge, Belgium
  46. Sami Caglar. Redruth, Cornwall
  47. Matthew Wyman. East Pennsboro Middle Schoo, Enola, PA
  48. Brian Hetrick. Manchester, NH
  49. Mark Shockley. Brazoswood High School, Clute, TX
  50. David Wang. Don Mills C.I, Toronto, ON, Canada
  51. Brad Woods. Warren, MB. Canada
  52. Shannon Kelley. East Pennsboro Middle School, Enola, PA
  53. Chelsea Gieschen. Southridge School, Surrey, B.C. Canada
  54. Sharon Tam. Westwood High School, Austin, Texas
  55. Evan Durant. Dartmouth High School, Dartmouth, MA
  56. Arif Hidayat. Smunsa, Solok, Indonesia
  57. Crystal Koo. Steveston Secondary School, Richmond, B.C., Canada
  58. Nathan Lopes. Dartmouth High School, Dartmouth, MA
  59. Tim Manchester. Lutfi Latif. Walnut Creek, CA
  60. Scott Beazley. Sebastian River High School,Sebastian, Florida
  61. Alexandr Wang. Pinon Elementary School, Los Alamos, NM
  67% of respondents successfully answered this problem.


 



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