#### NUMBERS THEORY-4

Proposed by Naren Bhandari-Bajura-Nepal NUMBERS THEORY-4 Solution by Ajao Yinka-Nigeria

#### NUMBERS THEORY-3

Proposed by Seyran Ibrahimov-Maasilli-Azerbaijan NUMBERS THEORY-3 Solution 1 by Serban George Florin-Romania, Solution 2 by Naren Bhandari-Bajura-Nepal

#### EQUATION IN NATURAL NUMBERS-14

Proposed by Seyran Ibrahimov-Maasilli-Azerbaijan EQUATION IN NATURAL NUMBERS-14 Solution 1 by Serban George Florin-Romania, Solution 2 by Naren Bhandari-Bajura-Nepal

#### EQUATION IN NATURAL NUMBERS-13

Proposed by Naren Bhandari-Bajura-Nepal EQUATION IN NATURAL NUMBERS-13 Solution by Le Van-Ho Chi Minh-Vietnam

#### AMAZING IDENTITY-19

Proposed by Alpaslan Ceran-Turkey AMAZING IDENTITY-19 Solution 1 by Khaled Abd Imouti-Damascus-Syria, Solution 2 by Tran Hong-Dong Thap-Vietnam

#### MINIMUM PROBLEM-9

Proposed by Naren Bhandari-Bajura-Nepal MINIMUM PROBLEM-9 Solution by proposer

#### EQUATION IN NATURAL NUMBERS-12

Proposed by Pedro Pantoja-Natal-Brazil EQUATION IN NATURAL NUMBERS-12 Solution 1 by Naren Bhandari-Bajura-Nepal, Solution 2 by Khaled Abd Imouti-Damascus-Syria

#### EQUATION IN NATURAL NUMBERS-11

Proposed by Rovsen Pirguliyev-Sumgait-Azerbaijan EQUATION IN NATURAL NUMBERS-11 Solution 1 by Serban George Florin-Romania, Solution 2 by Sagar Kumar-Patna Bihar-India

#### AMAZING IDENTITY-16

Proposed by Nguyen Van Nho-Nghe An-Vietnam AMAZING IDENTITY-16 Solution 1 by Ravi Prakash-New Delhi-India, Solution 2 by Sanong Huayrerai-Nakon Pathom-Thailand

#### EQUATION IN NATURAL NUMBERS-10

Proposed by Seyran Ibrahimov-Maasilli-Azerbaijan EQUATION IN NATURAL NUMBERS-10 Solution by Naren Bhandari-Bajura-Nepal