Infinitely many.
For example,
58.0000001
58.0000002
58.00000020001
58.00000020002
...
58.0000003
and so on.
Between any pair of adjacent numbers in this list there are infinitely many numbers.
Twelve numbers exactly are greater than 76 and less than 89.
There are 15 composite numbers greater than 50 but less than 70
The prime numbers that are greater than 80 and less than 100 are 83, 89, and 97.
Infinitely many.
3 composite numbers, 21, 22, and 24, are greater than 20 but less than 25.
109 whole numbers greater than 9 and less than 999 are multiples of 9
24
25
Six
Five.
There are 18.
24 of them.