Find the number of all five-digit numbers with distinct digits.

Find the number of n digit numbers, which contain the digits 2 and 7, but not the digits 0, 1, 8, 9.

The total number of 4-digit numbers is

The number of all five digit numbers which are divisible by 4 that can be formed from the digits 0,1,2,3,4 (without repetition) is a. 36 b. 30 c. 34 d. None of these

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)

Let a_(n) denote the number of all n-digit numbers formed by the digits 0,1 or both such that no consecutive digits in them are 0. Let b_(n) be the number of such n-digit integers ending with digit 1 and let c_(n) be the number of such n-digit integers ending with digit 0. Which of the following is correct ?

Find the total number of 9-digit numbers which have all different digits.

Find the sum of all the four digit numbers which are divisible by 29.

Find the number of 4-digit numbersthat can be formed using the digits 1, 2, 3, 4, 5 if no digit is repeated. How many of these will be even?

Find the sum of all two digit numbers which when divided by 4, yields 1 as remainder.