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?

The star location indicates people who...

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 ...

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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