Question

6th maths true or false the total number of 4digit number is 9ooo

Answer 1

Answer:

The greatest 4-digit number =9999

The greatest 3-digit number=999

Now total number of 4-digit number

=9999–999=9000 (Ans)

*Aliter*

4-digit number starts from 1000 and ends in 9999.

So, total number of 4-digit numbers from

1000 to 9999 = 9999–1000+1=9000 (Ans)