#### NUMBERS THEORY-30

Proposed by Neculai Stanciu-Romania NUMBERS THEORY-30 Solution 1 by Fayssal Abdelli-Bejaia-Algerie, Solution 2 by Amrit Awasthi-India, Solution 3 by Mohammad…

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#### NUMBERS THEORY-29

Proposed by Amrit Awasthi-India NUMBERS THEORY-29 Solution by Mohamed Amine Ben Ajiba-Tanger-Morocco

#### NUMBERS THEORY-28

Proposed by Neculai Stanciu-Romania NUMBERS THEORY-28 Solution 1 by Safal Das Biswas-India, Solution 2 by Kamel Gandouli Rezgui-Tunisia

#### NUMBERS THEORY-27

Proposed by Neculai Stanciu-Romania NUMBERS THEORY-27 Solution by George Florin Șerban-Romania

#### NUMBERS THEORY-26

Proposed by Neculai Stanciu-Romania NUMBERS THEORY-26 Solution by Mohamed Amine Ben Ajiba-Tanger-Morocco

#### NUMBERS THEORY-25

Proposed by Neculai Stanciu-Romania NUMBERS THEORY-25 Solution by George Florin Șerban-Romania

#### NUMBERS THEORY-24

Proposed by Neculai Stanciu-Romania NUMBERS THEORY-24 Solution by Mohamed Amine Ben Ajiba-Tanger-Morocco

#### NUMBERS THEORY-23

Proposed by Neculai Stanciu-Romania NUMBERS THEORY-23 Solution by Fayssal Abdelli-Bejaia-Algerie

#### NUMBERS THEORY-22

Proposed by Neculai Stanciu-Romania NUMBERS THEORY-22 Solution 1 by George Florin Șerban-Romania, Solution 2 by Fayssal Abdelli-Bejaia-Algerie

#### NUMBERS THEORY-21

Proposed by Neculai Stanciu-Romania NUMBERS THEORY-21 Solution by Naren Bhandari-Bajura-Nepal