If S is the set of positive integers from 1 to 100 inclusive, which of the following is true?

S contains more 1-digit numbers than 2-digit numbers.
S contains more numbers with units digit 0 than with units digit 9.
S contains more multiples of 5 than multiples of 10.
S contains more multiples of 8 than multiples of 2.
S contains more even numbers than odd numbers.

Question

If S is the set of positive integers from 1 to 100 inclusive, which of the following is true?

S contains more 1-digit numbers than 2-digit numbers. 
 S contains more numbers with units digit 0 than with units digit 9. 
 S contains more multiples of 5 than multiples of 10. 
 S contains more multiples of 8 than multiples of 2. 
 S contains more even numbers than odd numbers.

anonymous · Answer

S contains more multiples of 5 than multiples of 10. 

20 multiples of 5
10 multiples of 10