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How can you find a fake coin with a balance scale? How can you use math to pretend to read minds? Solve these puzzles and build your foundational logical reasoning skills.

Based on the diagram, which statement is true?

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The star location indicates people who...

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Each circle in the diagram represents people who like a particular type of movie: horror, comedy, and/or romance. However, the labels have been erased.

Sara likes horror movies and comedy but not romance and her location is marked with a star in the diagram. Therefore, we can conclude that circle C in the diagram represents the category of people who ...

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How many of these statements are **true**?

\[\begin{array}{|l|} \hline {\text{ A. All real numbers are rational. }} \\ {\text{ B. All integers are real numbers. }} \\ {\text{ C. All rational numbers are integers. }} \\ {\text{ D. All rational numbers are real numbers. }} \\ \hline \end{array} \]

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