What is the number just after the largest 4-digit number ?
 
                Answer: 
            
        10000
- For a number to be as large as possible, all of its digits should be as large as possible. Therefore, largest 4 digit number should be 9999.
- The number just after the largest 4-digit number will be:
 9999 + 1
 = 10000
- Thus, the number just after the largest 4-digit number is 10000 .
 Global
 Global 
        