How many vehicle registration plate numbers can be formed with digits 1,2,3,4,5 (no digits being repeated) if it is given that the registration number can have 1 to 5 digits?

• here it is not given that of how many no's should be the plate.so
  single digit no; 5=5
  double digit no;5*4=20
  three digit:5*4*3=60
  four digit;5*4*3*2=120
  five digit;5*4*3*2*1=120
  ANS. 325
• 8 years agoHelpfull: Yes(34) No(0)
• It is given that registration number can have 1 to 5 digits.so it is clear that the number plate can contain either 1 or 2 or 3 or 4 or 5 digits.possibility for 1 digit is 5
  for 2 digits 5 x 4 =20
  for 3 digits 5 x 4 x 3 =60
  for 4 digits 5x4x3x2 =120
  for 5 digit 5x4 x3x2=120 ways.totally 325
• 8 years agoHelpfull: Yes(5) No(0)
• five digits _ _ _ _ _ since no repetition allowed so
  5 * 4 * 3 * 2 * 1
  so answer is 120.
• 8 years agoHelpfull: Yes(0) No(9)
• 5P5=5!/(5-5)!=5!=5*4*3*2*1=120
  
  
  
  
• 8 years agoHelpfull: Yes(0) No(6)
• in 5 digit number first by 5 ways
  second by 4 ways
  3rd by 3 ways
  4th by 2 ways
  last by 1 way so answer=5*4*3*2*1=120
• 8 years agoHelpfull: Yes(0) No(6)