Answer :
1,909
1,919
1,929
1,939
1,949
1,959
1,969
1,979
1,989
1,999
The tens place keeps on going up each time. You can repeat this same thing with the 2,000.
2,909
2,919
2,929
2,939
Just keep on doing that till you reach 9,999
1,919
1,929
1,939
1,949
1,959
1,969
1,979
1,989
1,999
The tens place keeps on going up each time. You can repeat this same thing with the 2,000.
2,909
2,919
2,929
2,939
Just keep on doing that till you reach 9,999