Let N be the number of 6-digit numbers such that the digits of each number are all form the set {1, 2, 3, 4, 5} and any digit that appears in the number appears atleast twice. Then the last digit of N is:

Let N be the number of 6-digit numbers such that the digits of each number are all form the set {1, 2, 3, 4, 5} and any digit that appears in the number appears atleast twice. Then the number of all 6 digits is

Total number of 6-digit numbers in which all the odd digits appear, is

Total number of 6-digit numbers in which all the odd digits appear, is

Total number of 6-digit numbers in which all the odd digit appear is

How many six digited numbers that can be formed with 1, 2, 3, 4 if all the digits are to appear in the same number atleast once.

The number of 9digit numbers formed from {5,6,7,8,9} so that each digit that appears in the number,repeats atleast three times is

Let N be the number of 4- digit numbers which contain not more than 2 different digits. The sum of the digits of N is :

Let N be the number of 4- digit numbers which contain not more than 2 different digits. The sum of the digits of N is :