The largest five digit number with the help of 7, 2, 4, 8 and 0 is - (using each digit once)...

The greatest number of 5 digits formed with the digits 7, 2, 4, 8 and 0 is (use one digit only one time):

Find the sum of the greatest and the least six digit numbers formed by the digits 2, 0, 4, 7, 6, 5 using each digit only once.

The largest 4-digit number formed by the digits 6, 7, 0, 9 using each digit only once is 9760.

The number of different four - digit numbers that can be formed with the digits 2, 3, 4, 7 and using each digit only once is