How many different 4-digit number can be formed with the digits 1,2,3,4 without any repetition ? Also find their sum.

How many 7 digit numbers can be formed with the digits 2,3,0,3,4,4,3?

How many different 3-digit numbers can be formed by using the digits 0, 2, 5 without repeating any digit in the number?

How many 7-digit number can be formed using the digits 1,2,0,2,4,2 and 4?

How many numbers can be formed with digits 3,4,6,and 8 without repetition ?

How many three digit numbers can be formed without using the digits 0,2,3,4,5 and 6?

How many numbers of 5 digits can be formed with the digits 0,1,2,3,4?

How many number4 of four digits can be formed with the digits 1,3,3,0?

The sum of all five digit numbers formed with the digits 1,2,3,4,5 without repetition of digits are

How many (i) 5- digit (ii) 3- digit numbers can be formed by using 1,2,3,4,5 without repetition of digits.

How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that (i) repetition of the digits is allowed? (ii) repetition of the digits is not allowed?