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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.

John, Aries, and Joseph are brothers with different ages. Who is the youngest if the following statements are true?

I. Aries is the oldest.

II. Joseph is not the oldest.

III. John is not the youngest.

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Rony is taller than Joy and John is shorter than Rony.

Which of the following statements is correct?

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O, P, Q, R, S and T are standing on a bench according to their height. P is taller than O but shorter than S. Only S is taller than T. R is shorter than P but taller than Q. Who is the tallest?

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