There are 25 such numbers.
46
There are many even numbers between 100 and 115. They are listed as follows: 100, 102, 104, 106, 108, 110, 112, and 114.
Every second number is Even. So there are 50 even numbers from 1 to 100 if you include 100. If you do not include 100 in the count there are obviously 49. The wording of the question is not clear on whether 100 is to be included or not.
There is only one even prime number and it is 2
There are 100 even numbers between 1 and 200 (inclusive).
300.
There are 25 such numbers.
46
There are 40 odd numbers between 20 and 100. Remember that an odd number is every second number. There are 80 numbers between 20 and 100, so there are 40 odd numbers and 40 even numbers.
46 if you include 10 and 100, 44 if you don't.
There are many even numbers between 100 and 115. They are listed as follows: 100, 102, 104, 106, 108, 110, 112, and 114.
There are exactly 50 even numbers if you include 100. There are exactly 50 odd numbers if you include 1.
Every second number is Even. So there are 50 even numbers from 1 to 100 if you include 100. If you do not include 100 in the count there are obviously 49. The wording of the question is not clear on whether 100 is to be included or not.
There are 101 numbers between 0 and 100. Because it starts with an even number and ends with an even number, there is 1 less odd number than even. So 51 even and 50 odd.
There is only one even prime number and it is 2
17