RMO practice question 6

Algebra Level 4

A set of consecutive positive integers beginning with \(1\) is written on a blackboard. One number is erased. The average (arithmetic mean) of the remaining numbers is \(\dfrac{602}{17}\). What number was erased ?

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.