sum of all 5 digit nos formed using 1,3,5,7,9.

• Without any Repetetion of the numbers Sum would be
  (n-1)!(sum of the numbers)(1 as many times as digits of the number)
  
  Here
  (5-1)!(1+3+5+7+9)(11111)
  24*25*11111 = 6666600
  
  
• 12 years agoHelpfull: Yes(1) No(0)