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Mathematics Certification Quiz
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E
Eiken quiz
Learn English vocabulary and grammar
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Kanken quiz
Practice reading and writing kanji
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M
Suken quiz
Arithmetic and math, grades 10 to 1
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S
Science proficiency quiz
Grades 5 to 1: physics, chemistry, biology, and earth science
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World Heritage quiz
Grades 4 to master level
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Logical reasoning
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Crane-and-turtle problems
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WR
Work-rate problems
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TX
Tax calculations
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