The number of arrangments of all digits of `12345` such that at least `3` digits will not come in its position is

Let the number of arrangements of all the digits of the numbers 12345 such that atleast 3 digits will not come in It's original position is N. Then the unit digit of N is

Find the number of numbers of six digits that can be formd with the digits 1,2,3,4 if all the digits are to asppear in the same number at least once.

Find the number of numbers of six digits that can be formd with the digits 1,2,3,4 if all the digits are to asppear in the same number at least once.

A two digit number is five times the sum if its digits. If 9 is added to the number, the digits interchange their positions. The sum of digits of the numbers is :

The number of 3 digit numbers can be formed from the digits 1,2,3,4,5 assuming that repetition of the digits is not allowed is ………….

Find the number of all 6-digit natural numbers such that the sum of their digits is 10 and each of the digits 0,1,2,3 occurs at least once in them.