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Why is this a biology question?

Biology Level 2

If 50+30=70, find the value of 60+40

Note: This question (though really lame), has a logic behind it.

80 10 90 70 20 100 50 110

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 Krishna Ar

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