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Logic Level 2

John is brother with my mother’s daughter-in-law's niece. What am I to John?

Assume I don't have any children.

Note: My mother has only one son.

Son in law Cousin Uncle in law Brother Nephew in law Father

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations,
examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

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by Sava Sergiu

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