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There are (500-100)/2 = 200 numbers divisible by 2 between 100 and 500 counting 100 but not 500. Of these (500-100)/8 = 50 are divisible by 8. So there are 150 numbers between 100 and 500 divisible by two but not by 8. By relative primeness exactly 50 out of these 150 are divisible by 3 and therefore these 50 are exactly the ones divisible by 6 but not by 8.
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How many positive integers between 100 and 999 are divisible by 3 or 4?
Between 100 and 999 there are 448.
How many positive integers less than 100 and divisible by 3 are also divisible by 4?
8 of them.
How many odd integers under 1000 are not divisible by 5?
you can say that 2/10 of every 10 integers is divisible by 5, so multiplying 2/10 by 100, giving you 200/1000 total integers are divisible by 5. half of all integers are odd, so divide 200/1000 by 2 is 100/1000, so you can correctly state that 100 odd integers under 1000 are divisible by 5.
How many integers between 100 and 200?
There are 9 integers.
How many prime numbers between 0 100 are divisible by 7?
prime numbers between 0 -100 which are divisible by 7: 7
