Singh Y. Unanswered maths Puzzle

Yogendra Singh, 2022. — 82 p.Puzzle has been an important element within the study of mathematics since past. Traditionally, we have also learned formal logic by studying mathematical fact.
This book is generally related to Puzzle problems, which is based on mathematics.
A lot of good and difficult problems have been included in this book. To solve these problems, you must have knowledge of mathematics