the latest registration number issued by the delhi motor vehicle registration authority is DL-5S-2234.if all the numbers and alphabets before this have been used up then find how many vehicles have a registration number starting with DL-5

• 182216 ans..
  
  alphabets from a to r has already been used i.e. 18 alphabets and each alphabet can use 9999 numbers therefore 18*9999+2234=182216
• 10 years agoHelpfull: Yes(8) No(1)
• DL-5______ can be filled as 1st place can be A-Z,next will be 0000-9999
  so upto s,18 letters possible,1000 number possible at after each letter
  hence from DL-5A0000 to Dl-5R9999=18*10000=180000
  Dl-5S0000 to DL-5S2234=1*2235=2235
  no.of vehicles have a registration number starting with DL-5=182235
• 10 years agoHelpfull: Yes(6) No(1)
• after 5 ,we can have T U V W X Y Z and the four number digits can be filled in 9^4 ways
  hence toatal registration number is 7*9*9*9*9= 45927
  45927 is the answer
• 10 years agoHelpfull: Yes(1) No(5)