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

How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that repetition of the digits is allowed?

How many 3 digit even numbers can be formed from the digits 1, 2 , 3, 4, 5 and 6 assuming that repetition of the digits is allowed .

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

How many 5-digit even numbers can be formed using the digits 1,2,5,4,5 ?

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

How many 5-digit numbers can be formed by using the digits 5, 4, 3, 3,0?

Find the sum of all five digit numbers ,that can be formed using the digits 1, 2, 3, 4 and 5 (repetition of digits not allowed)

How many numbers can be formed from the digits 1, 2, 3, 9 if repetition of digits is not allowed ?

How many 2-digit even numbers can be formed from the digits 1, 2,3, 4 and 5, if the digits can be repeated ?