There are 24 numbers divisible by 4 between 100 and 200.
According to the reference, a number is divisible by 4 if its last two digits are divisible by 4. For example, 104 is divisible by 4 because 04 is divisible by 4. The reference states that there are 24 numbers between 100 and 200 divisible by both 2 and 4. Since any number divisible by 4 is also divisible by 2, we can conclude there are 24 numbers divisible by 4.