#### 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

#### FIBONACCI NUMBERS-5

Proposed by Daniel Sitaru-Romania FIBONACCI NUMBERS-5 Solution by Noor Alam-India

#### EQUATION IN INTEGERS-7

Proposed by George Florin Serban-Romania EQUATION IN INTEGERS-7 Solution by Mohamed Amine Ben Ajiba-Tanger-Morocco

#### NUMBERS THEORY-11

Proposed by Arghyadeep Chatterjee-India NUMBERS THEORY-11 Solution by proposer

#### NUMBERS THEORY-10

Proposed by George Florin Serban-Romania NUMBERS THEORY-10 Solution by Mohamed Amine Ben Ajiba-Morocco

#### 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

#### NUMBERS THEORY-9

Proposed by Angel Plaza-Spain NUMBERS THEORY-9 Solution by Naren Bhandari-Bajura-Nepal

#### 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

#### NUMBERS THEORY-7

Proposed by Adil Abdullayev-Baku-Azerbaijan NUMBERS THEORY-7 Solution by Abdul Hannan-Kolkata-India

#### 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