Arrange the digits 6, 7, 8 and 9 to make the greatest 4-digit number.
(i) if repetition of digits is not allowed.
(ii) if repetition is allowed

How many four digit odd number are there ? (Repetition of digit is not allowed )

How many three digit numbers can be formed using 0,2,4.6,8 if repetition of digit is allowed.

The number of 3 digit odd number, when repetition of digits is allowed is

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?

How many three- digit numbers, which are divisible by 5, can be formed using the digits 0,1,2,3,4, 5 if (i) repetition of digits are not allowed ? (ii) repetition of digits are allowed ?

Find all 3 digit numbers formed with the digits 1,2,3,4 and 5 if (i) repetition of digits is allowed? (ii) repetition of digits is not allowed?

How many 3-digit odd numbers can be formed by using the digits 1, 2, 3, 4, 5, 6 when (i) the repetition of digits is not allowed? (ii) the repetition of digits is 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?