Write the greatest four-digit number of four different digits.
The greatest four-digit number of four different digits: 9876
Write the greatest four digit number using two different digits.
Using the digits 2,3,9 and 6,write the greatest four digit number.
Make the greatest and the smallest four digit numbers using any four different digits with condition as given :
Digit 1 is always at thousands place.
Make the greatest and the smallest four digit numbers using any four different digits with condition as given.Digit 9 is always at hundreds place.