Find the number of 4 digit odd numbers that can be formed using the digit 4,6,7,9,3 so that each digit occurs at most once in each number.
Consider all the six digit numbers that can be formed using the digits 1, 2, 3, 4, 5 and 6, each digit being used exactly once. Each of such six digit numbers have the property that for each digit, not more than two digits smaller than that digit appear to the right of that digit. Q. Number of such six digit numbers having the desired property is :
Consider all the six digit numbers that can be formed using the digits 1, 2, 3, 4, 5 and 6, each digit being used exactly once. Each of such six digit numbers have the property that for each digit, not more than two digits smaller than that digit appear to the right of that digit. Q. A six digit number which does not satisfy the property mentioned above, is :
The sum of all 4 digited numbers that can be formed using the digits 1,3,5,7 is
The number of four-digit numbers that can be formed by using the digits 1,2,3,4,5,6,7,8 and 9 such that the least digit used is 4 , when repetition of digits is allowed is
Find the number of five digit numbers that can be formed using the digits 1,2,3,4,5,6,7.8,9 in which one digit appears once and two digits appear twice (e.g.41174 is one such number but 75355 is not.
Find the number of four-digit numbers that can be formed using the digits 1,2,5,7,4 and 6, if every digit can occur at most once in any number.
How many numbers less than 1000 can be formed using the digits 0,1,3,4, and 5, so that each digit occurs almost once in each number?
