The predecessor of 3000 is
999
1000
2999
4000
The predecessor of a given number = Given number - 1.
Therefore, the predecessor of 3000 will be
3000-1=2999.
Hence, option C is the correct answer.
The predecessor of -101 is
The predecessor of 1000 is ___
The predecessor of 10000 is :
The predecessor of -5 is ___