How many numbers of four digits can be formed with the digits 1,2,3,4, and 5? (if repetition of digits is not allowed).

How many numbers of four digits can be formed with the digits 1, 2, 3, 4 and 5? (Repetition of digits is not allowed.)

How many numbers of three digits can be formed with the digits 1, 2, 3 and 5? (Repetition of digits is not allowed.)

How many number of 4 digits can be formed with the digits 1,2,3,4,5 if repetition of digit is allowed and not allowed?

How many numbers of 3 digits can be formed with the digits 1,2,3,4,5,6 if, (i) repetition of digits is allowed? (ii) repetition of digits is not allowed?

How many numbers of 3 digits can be formed with the digits 1,2,3,4,5,6 if, (i) repetition of digits is allowed? (ii) repetition of digits is not allowed?

How many number of 5 digits can be formed with the digits 0,2,4,6,8 if repetition of digits is not allowed?

How many number of 5 digits can be formed with the digits 0,2,4,6,8 if repetition of digits is not allowed?

How many numbers of 4 digits can be formed with the digits 0,1,3,4,6 if (i) repetition of digits is allowed? (ii) repetition of digits is not allowed?

How many numbers of 4 digits can be formed with the digits 0,1,3,4,6 if (i) repetition of digits is allowed? (ii) repetition of digits is not allowed?