**Stimulating collection of over 300 unusual problems involving equations and inequalities, Diophantine equations, number theory, quadratic equations, logarithms and more. Problems range from easy to difficult. Detailed solutions, as well as brief answers, for all problems are provided.**

Challenging Problems in Algebra 2E (Dover) – Posamentier . Salkind

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thank u u r doing a great job,i live in india and i am an olympiad aspirant,it was difficult to get adequate resources but because of u now i have many books to refer,i want to ask one question how many books you are going to post more?These books are just awesome,one request please upload first step to olympiad maths of olympiad mathematics series.

thank you for your feedback

ı have a lot of books that dont shared until now ı cant take care of site because of my courses. ı will upload books you want

Hello mathematicalolympiads

Thank you for your support,Can you please upload “Number Theory:Structures,Examples and Problems” by titu andreescu,dorin andrica