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A 7 X 7 square in the left part of this illustration is divided into five pieces. Now if we arrange the pieces in the way shown in the right part of this illustration, we fit these pieces into the same 7 X 7 square but with a small square hole in the center. How could this happen?  
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A 7 X 7 square in the left part of this illustration is divided into five pieces. Now if we arrange the pieces in the way shown in the right part of this illustration, we fit these pieces into the same 7 X 7 square but with a small square hole in the center. How could this happen?  
How many squares in this image? (show how you counted!)
A businessman bought a horse for 10 dollars and sold it for 20 dollars. He then bought that same horse for 30 dollars and sold it for 40 dollars. What is the businessman’s total income from these two deals?
One brick is one kilogram and half a brick heavy. What is the weight of one brick? Don’t cheat!