Understand the problem Find all integer solutions of the equation Source of the problem Costa Rica NMO 2010 Topic Number Theory Difficulty Level 6/10 Suggested Book A Friendly Introduction to Number Theory by J.H.Silverman Start with hints Hint 0Hint 1Hint 2Hint...

Understand the problem Find all prime numbers such that the square of the prime number can be written as the sum of cubes of two positive integers. Source of the problem Bangladesh MO 2019 Problem 1 Topic Number Theory Difficulty Level 5/10 Suggested Book A Friendly...

Understand the problem Find all positive integers such that equation has a solution in integers and . Start with hints Source of the problem Belarus MO 2018 Problem 10.5 Topic Number Theory Difficulty Level 5/10 Suggested Book An Introduction to Number Theory Hint...

Magic Squares are infamous; so famous that even the number of letters on its Wikipedia Page is more than that of Mathematics itself. People hardly talk about Magic Rectangles. Ya, Magic Rectangles! Have you heard of it? No, right? Not me either! So, I set off to...

This is a work in progress. Please suggest improvements in the comment section. Problems Objective I.S.I. M.Math Subjective 2019 Objective Section (Answer Key) 1. C 2. D 3. B 4. C 5. A 6. D 7. B 8. D 9. D 10. D 11. A 12. B 13. B 14. A 15. C 16. A 17. C 18. A...