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A final two chapters provide brief hints and more detailed solutions to the puzzles, [2] with the solutions forming the majority of pages of the book. [3] Some of the puzzles are well known classics, some are variations of known puzzles making them more algorithmic, and some are new. [4] They include:
Some types of dissection puzzle are intended to create a large number of different geometric shapes. The tangram is a popular dissection puzzle of this type. The seven pieces can be configured into one of a few home shapes, such as the large square and rectangle that the pieces are often stored in, to any number of smaller squares, triangles, parallelograms, or esoteric shapes and figures.
The term prelim (short for preliminary examination) generally refers to an examination that qualifies a student to continue studies at a higher level, and/or allow the student to comprehend their studies and see how prepared they are for an upcoming examination. It can also act as a gauge on how knowledgeable one is within the chosen subject.
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Major League Soccer was established in 1993, as part of an agreement with FIFA that the United States set up a professional first division to gain the right to host the 1994 FIFA World Cup. [15]