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Lining Up

Logic Level 2

20 students are standing in line.
Counting from the front, Alex is 7th in line.
Bess is directly in front of Alex.
If we count from the back, what is the position of Bess?

15th 16th 13th 14th

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Excel in math and science

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It's hard to learn from lectures and videos

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including olympiad champions, researchers, and professionals.

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by Chung Kevin

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