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SUM OF SEQUENCE

Number Theory Level 1

Obtain the sum of all integers in the first 1000 integer which are neither divisible by 5 nor by 2

200,654 200,000 600,000 200,009

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 Muti Ur Rehman Kamboh

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