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This Geometry problem seems like it should be easier.

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List Question

Using Truth Tables to Solve Logic Riddles

Fake coin detection and relationship between coins and comparisons

Pan Balance : Find Faulty Weight

This Geometry problem seems like it should be easier.

Difference of induction and divide and conquer

Minimum number of trips for a truck with weight limit of $200$ to transport boxes with weights 81, 73, 67, 49, 37, 34, 30, and 26

Conventions for defining inductive base case

Counting how many items can be weight on a scale if we pick the weights optimally

n x n Matrix Puzzle

For what $n$ is $\sqrt{\frac{25}{2}+\sqrt{\frac{625}{4}-n}}+\sqrt{\frac{25}{2}-\sqrt{\frac{625}{4}-n}}$ an integer?

Number of students in school club : $4$ Circles Venn Diagram Puzzle

Determine next in sequence when many patterns visible

Wrong/naive inductive hypothesis and tower of hanoi as an example

Partition the remaining rectangle into equal parts.

Infection spread on a torus chessboard

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