Get An ‘A+’ On This 9th-Grade Exam That Only A Few Can Solve

Welcome to the 9th-grade final exam!We aren’t sure if you have what it takes to outsmart the average U.S. 9th grader, but ...
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15 sneaky math puzzles hiding inside the Great Pyramid

The Great Pyramid of Giza is often treated as a monument of stone, but it also functions as a monument of numbers. I see at ...