Question

in a town car plate numbers contains only three or four digits not contain digit 0 the maximum number of cars that can be numbered is​

Answer 1

Answer:

Step-by-step explanation:

FJJTfjjtjtnnjuntntnthututtnnjyyjyyjyjy

Answer 2

Answer:

1,2,3,4,5,6,7,8,9 (Not containg zero )

Case I :-

When, The car plate number contain only three digits.

Then, maximum number

9×9×9=9

3

=7.29

Case II :-

When, The car plate number contain only four digits

Then, maximum number.

9×9×9×9=9

4

=6561

So,

The maximum number of cars = case I+ case II

=729+6561

=7290

Hence , this is the answer.