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Mathematics

Algebra Level 1

A man looses 20% of his income. He spends 25% of the remainder and is left with Rupees 480. Find his income.

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

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including olympiad champions, researchers, and professionals.

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View solutions

by Amandeep Banerjee

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