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
06/05/2020
NUMBERS THEORY-9
Proposed by Angel Plaza-Spain NUMBERS THEORY-9 Solution by Naren Bhandari-Bajura-Nepal
06/04/2020
NUMBERS THEORY-8
Proposed by Naren Bhandari-Bajura-Nepal NUMBERS THEORY-8 Solution 1 by Surjeet Singhania-India, Solution 2 by Kamel Benaicha-Algiers-Algerie
05/16/2020
NUMBERS THEORY-7
Proposed by Adil Abdullayev-Baku-Azerbaijan NUMBERS THEORY-7 Solution by Abdul Hannan-Kolkata-India
04/23/2020
EQUATION IN INTEGERS-5
Proposed by Daniel Sitaru-Romania EQUATION IN INTEGERS-5 Solution 1 by Bedri Hajrizi-Mitrovica-Kosovo, Solution 2 by Rovsen Pirguliyev-Sumgait-Azerbaijan