Yings, Yangs, Yongs?

Logic Level 1

All Yings are Yongs.
All Yongs are Yangs.
All Yangs are Yengs.
All Yengs are Yungs.
All Yungs are Yings.

Which of the following is true?

All Yongs are Yungs All Yungs are Yangs All Yungs are Yongs All Yengs are Yongs All Yangs are Yongs All Yengs are Yangs All Yungs are Yengs All of these choices

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100 Day Summer Challenge

Yings, Yangs, Yongs?

Excel in math and science

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It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

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Courses

Topics

Community

100 Day Summer Challenge

Yings, Yangs, Yongs?

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.

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

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

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

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