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Move beyond an answer. Explore visual reasoning puzzles and interactive challenges across all 6 subjects, with instant rule-based verification and step-by-step explanations.
What belongs in each mystery box?
Every mystery box holds the same value. Make the two sides balance.
0 of 7 challenge types explored at this stage
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A driving gear with 81 teeth meshes with a driven gear that has 27 teeth. How many full rotations does the driven gear make for 1 full rotation of the driving gear?
Use the ratio of gear teeth between meshing gears to calculate rotational turns.
0 of 4 solved in this round
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