How many 4 digits combos can be made here...Prev TopicNext Topic

• Bounty4321

  

  New Jersey
  United States
  Member #89,059
  March 29, 2010
  111 Posts
  Offline
  Apr 1, 2010, 2:10 pm

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  I am just  curious as to how many 4 digit combinations can be made using 4 digits... ex 1234
• dr65

  

  50

  Pennsylvania
  United States
  Member #74,094
  May 2, 2009
  24,135 Posts
  Offline
  Apr 1, 2010, 2:17 pm

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  24 combos
• libra

  

  25

  Cleveland , Ohio
  United States
  Member #961
  December 27, 2002
  46,589 Posts
  Offline
  Apr 1, 2010, 2:19 pm

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  1234 = 24 combos

  1233 = 12 combos

  1212 = 6 combos

  1222 = 4 combos

  1111 = 1 combo

  Good Luck Libra Dave
• Raven62

  

  25

  New Jersey
  United States
  Member #17,842
  June 28, 2005
  180,983 Posts
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  Apr 1, 2010, 3:41 pm

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  They say: A picture is worth a thousand words:
  
  ABCD ABDC ACBD ACDB ADBC ADCB
  
  BACD BADC BCAD BCDA BDAC BDCA
  
  CABD CADB CBAD CBDA CDAB CDBA
  
  DABC DACB DBAC DBCA DCAB DCBA
  
  1234 1243 1324 1342 1423 1432
  
  2134 2143 2314 2341 2413 2431
  
  3124 3142 3214 3241 3412 3421
  
  4123 4132 4213 4231 4312 4321

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