Sum of four digit numbers formed with `2,3,4,5` using each digit any number of times is :

The number of four digit numbers can be formed with the digits 1,2,3,4,5,6 when a digit may be repeated any number of xx in any arrangement is

The number of different four - digit numbers that can be formed with the digits 2,3,4,5,7 , using each digit only once, is :

How many numbers each containing four digits can be formed ,when a digit may be repeated any number of times?

The number of 4 digit numbers that can be formed with the digits 2,3,4,7 and using each digit only once is

The number of different four digit numbers that can be formed with the digits 2,3,4,7 and using each digit only once is :

Find the sum of the greatest and the least six digit numbers formed by the digits 2, 0, 4, 7, 6, 5 using each digit only once.

The number of four-digit numbers formed by using the digits 0,2,4,5 and which are not divisible by 5, is

The number of four-digit numbers formed by using the digits 0,2,4,5 and which are not divisible by 5 , is