10/28/2020
EQUATION IN INTEGERS-9
Proposed by Mehmet Șahin-Ankara-Turkey EQUATION IN INTEGERS-9 Solution by George Florin Șerban-Romania
10/01/2020
NUMBERS THEORY-14
Proposed by Naren Bhandari-Bajura-Nepal NUMBERS THEORY-14 Solution by Surjeet Singhania-India
09/28/2020
EQUATION IN INTEGERS-8
Proposed by George Florin Serban-Romania EQUATION IN INTEGERS-8 Solution 1 by proposer, Solution 2 by Michael Sterghiou-Greece
09/20/2020
NUMBERS THEORY-13
Proposed by Rajeev Rastogi-India NUMBERS THEORY-13 Solution by Surjeet Singhania-India
09/10/2020
NUMBERS THEORY-12
Proposed by Rajeev Rastogi-India NUMBERS THEORY-12 Solution 1 by Mohamed Amine Ben Ajiba-Tanger-Morocco, Solution 2 by Sanong Huayrerai-Nakon Pathom-Thailand
09/08/2020
FIBONACCI NUMBERS-5
Proposed by Daniel Sitaru-Romania FIBONACCI NUMBERS-5 Solution by Noor Alam-India
08/21/2020
EQUATION IN INTEGERS-7
Proposed by George Florin Serban-Romania EQUATION IN INTEGERS-7 Solution by Mohamed Amine Ben Ajiba-Tanger-Morocco
08/14/2020
NUMBERS THEORY-11
Proposed by Arghyadeep Chatterjee-India NUMBERS THEORY-11 Solution by proposer
08/14/2020
NUMBERS THEORY-10
Proposed by George Florin Serban-Romania NUMBERS THEORY-10 Solution by Mohamed Amine Ben Ajiba-Morocco
06/15/2020
EQUATION IN INTEGERS-6
Proposed by Costel Florea-Romania EQUATION IN INTEGERS-6 Solution 1 by Rovsen Pirguliyev-Sumgait-Azerbaijan, Solution 2 by Izumi Ainsworth-Lima-Peru