A vehicle registration number consists of 2 letters of english alphbets followed by 4 digits ,where the first digit is not zero . Then the total number of vehicles with distinct registration number is -

The licence plates for vehicles registered in Delhi consist of 3 letters (of English alphabet) followed by 1,2,3 or 4 digits. The letter on the extreme right has to be 'D'. For the 1-digit number plates, the number 0 is not allowed. For other, the digits and the letters, of course can repeat, but the numbers should be significant. Determine the possible number of licence plates.

The Licence plates for vehicles registered in Delhi consist of 3 letters (of English alphabet) followed by 1, 2, 3 or 4 digits. The letter on the extreme right has to be ‘D’. For the 1-digit number plates, the number 0 is not allowed. For others, the digits and the letters, of course can repeat, but the numbers should be significant. Determine the possible number of licence plates.

The total number of 4-digit numbers is

The total number of 8 digit numbers is

A code word consists of three letters of the English alphabet followed by two digits of the decimal system. If neither letter nor digit is repeated in any code word, then the total number of code words, is

A code word consists of three letters of the English alphabet followed by two digits of the decimal system. If neither letter nor digit is repeated in any code word, then the total number of code words, is

Find the number of all five digit numbers with distinct digits.