6 of them.
Nine of them are evenly divisible by 5, if you include 20 and 60.
10 60 and 100 are not included in the range, so 9
60, 63, 66
There are 9 numbers evenly divisible by 10 : 10, 20, 30, 40, 50, 60, 70, 80, and 90
that would be 11,22,33,44 and 55 so 5 numbers
Nine of them are evenly divisible by 5, if you include 20 and 60.
15 if you include 60, 14 if you don't.
11 if you include 60 and 100, 9 if you don't.
The numbers which are divisible by 9 between 1 - 60 are 9, 18, 27, 36, 45, 54.
10 60 and 100 are not included in the range, so 9
60, 63, 66
There are 9 numbers evenly divisible by 10 : 10, 20, 30, 40, 50, 60, 70, 80, and 90
The numbers between 40 and 60 that are divisible by 9 are 45 and 54. 45/9=5 and 54/9=6. The sum of 45 and 54 is 99.
that would be 11,22,33,44 and 55 so 5 numbers
60 of them because 11*7 = 77 and 71*7 = 497
numbers divisible by 60 are the multiples of 60: 60, 120, 180,240,400, 360, 420,...
The answer is twenty but there are many more.