21 numbers - if you include the 10 and the 50.
There are nine numbers between 10 and 100 that are evenly divisible by 11.
There are 17,999 such numbers.
set of odd numbers divisible by 2 between 10 and 20
There are 9 numbers evenly divisible by 10 : 10, 20, 30, 40, 50, 60, 70, 80, and 90
Twenty of them.
There are 89,999 numbers between 100,000 and 999,999 that are divisible by 10.
There are nine numbers between 10 and 100 that are evenly divisible by 11.
There are 90 such numbers.
10 numbers
None. If they are divisible by 10 they must be divisible by 5.
10
There are 90,000 such numbers.
There are 17,999 such numbers.
set of odd numbers divisible by 2 between 10 and 20
20 of them.
There are 9 numbers evenly divisible by 10 : 10, 20, 30, 40, 50, 60, 70, 80, and 90
Twenty of them.