How many natural numbers are their from 1 to 1000 which have none of their digits repeated.

How many natural numbers are there from 1 to 1000 which have none of their digits repeated.

(i) How many three - digit numbers are there, with no digit repeated ? (ii) How many four - digit numbers are there, with no digit repeated ? (iii) How many natural numbers from 1 to 1000 have none of their digits repeated ?

How many natural numbers from 1 to 1000 have none of their digits repeated ?

Show that there are 4536 numbers between 1000 and 10000, which have none of their digits repeated. Of these, how many are odd numbers ?

The number of 3 digit number locks having none of their digits repeated is

The number of natural numbers less than 1000, in which no two digits are repeated is

How many numbers are there between 1000 and 9999 so that no digit is repeated.

How many natural numbers less than 1000 can be formed form the digits 0,1,2,3,4,5 when a digit may be repeated any number of xx?