Q: How many different counting numbers are less than 200 and are exactly divisible by either 8 or 12 or both?

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The subset of counting numbers between 0 and 120, inclusive, that are even, divisible by 5, and the square of one of the counting numbers are 0 and 100.Zero is included in this answer because, as of around the 1900's, it was added to the set of counting numbers, said set originally starting with one.

Half of them are ... every other one.

No- not exactly. Negative integers are not counting numbers. Positive integers are identified with counting numbers. Many authors like to start with zero as a counting number.

293 is not divisible by 5. Only numbers that end on 0 or 5 are exactly divisible by 5.No, it is not.

Any multiples of 4 including itself is divisible by 4

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According to a source, there are 44 counting numbers less than 200 that are exactly divisible by either 6 or 9, or by both. To determine the total count, we can follow these steps: Find out how many counting numbers less than 200 are divisible by 6. The last number under 200 that is divisible by 6 is 198, and since 198 is the 33rd multiple of 6, there are 33 such numbers. Next, figure out how many numbers are divisible by 9. The last number under 200 that is divisible by 9 is also 198, and since 198 is the 22nd multiple of 9, there are 22 such numbers. Some numbers will be divisible by both 6 and 9, but we need to avoid counting these twice. So, determine which numbers are divisible by both (these are actually multiples of 18). The last number under 200 that is divisible by 18 is also 198, and since it is the 11th multiple of 18, there are 11 such numbers. Finally, add the two individual counts from steps 1 and 2 together and subtract the count from step 3 to eliminate double counting: 33 + 22 - 11 = 44. Therefore, there are 44 different counting numbers less than 200 that are exactly divisible by either 6 or 9 or both.

1, 2, 4, 5, and 10

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.

The subset of counting numbers between 0 and 120, inclusive, that are even, divisible by 5, and the square of one of the counting numbers are 0 and 100.Zero is included in this answer because, as of around the 1900's, it was added to the set of counting numbers, said set originally starting with one.

Half of them are ... every other one.

293 is not divisible by 5. Only numbers that end on 0 or 5 are exactly divisible by 5.No, it is not.

No- not exactly. Negative integers are not counting numbers. Positive integers are identified with counting numbers. Many authors like to start with zero as a counting number.

The smallest number which is exactly divisible by the numbers 8 9 and 10 is 360.

{3,6,9,12,15,18,21,24}

2520

It is 2520.

No.