How many even integers between 1000 and 5000 have four different digits?

How many integers between 1000 and 10000 have no digits other than 4, 5 or 6?Choices:- 81 91 51 61

How many four-digit odd numbers can be formed with the digits 0-9 if each digit is used only once in each number?

How many even numbers less than 500 can be formed using the digits 1, 2, 3, 4 and 5? Each digit may be used only once in any number.

How many integers between 1000 and 9999 have exactly two digits the same?

How many different 3-digit even numbers can be formed so that all the digit are different?