In the hours of leisure

Can you solve a marine or historical crossword puzzle? Do you know what musical instrument consists of a measure of area and musical note? Answer the mathematical question from ancient Rome? Write the number of 28 with five deuces? Of course yes - but only if you like puzzles and are ready to solve them in any free minute. This book will give you the opportunity to practice solving a variety of rebuses and cunning problems both alone and in the company of friends. With the help of intellectual exercises collected here, you will have a good time and train memory, quick wit and attentiveness, and at the same time remember mathematics, chemistry, physics, literature, history and other useful school subjects. If some task is too complicated, look at the end-all the answers and ways to solve each puzzle are collected there.