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How many diamonds?
3 votes

From the 1 left over, we have $$N \equiv 1 \mod \mathbb{K}$$ for $\mathbb{K}$ from 2 to 6. This is equivalent to $$N \equiv 1 \mod lcm(2,3,4,5,6)$$ or $$N \equiv 1 \mod 60$$ or there exists a $...

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Three boxes, Four questions, Three times not true, Once the truth
2 votes

Simply ask them a question formatted like this: Suppose they are lying: Suppose they are telling the truth: If there where 16 boxes I could find the one with the treasure using this technique with ...

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You like to have a drink after you kiss me - who am I?
1 votes

You like to have a drink after you kiss me And if you've got the stomach for it, you can eat me When I am last, I am not least I'm said to overpower beasts And though I'm weak and thin and frail ...

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Time to speed up
0 votes

What is average? The average of a function $f:X \rightarrow Y$ over the interval $I$ is the integral of $f\mathbb{d}\mu$ over $I$, where $\mu$ is a measure on $Y$ and $X$ is a vector space over $\...

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