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A geometry problem by Aymen Echarghaoui

Geometry Level pending

A clock advances regularly and its hands overlap each other every 61 minutes. How much time the clock advances in 1 hour?

4 min 25 s 5 min 4 min 22 s 4 s

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 Aymen Echarghaoui

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