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How many numbers in the set {1, 2, 3, ..., 100} are neither multiples of 2 nor multiples of 3?

 Sep 19, 2020
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In short, the answer is 33 numbers.

I used a 100s table and eliminated all multiples of 2 and 3 and then counted the remaining numbers.

I'm sure there are other faster ways to do this but this was the first way that came to mind.

 

Hope it helps!

 Sep 19, 2020

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