We know that the smallest 4-digit number = 1000 ∴ The predecessor of 1000 is equal to one less than 1000, = 1000 – 1 = 999. This is the required answer.
The successor of the largest 3- digit number is the predecessor of the smallest 3- digit number.
The predecessor of smallest four digit number made using each of the digits 6, 2, 0, 8 only once is
Write the predecessor of the following.
Smallest 6-digit whole number