121. Eight matchsticks can be arranged to form a square and a rhombus as shown in the diagram.
Can you form a square, a rhombus, and an equilateral triangle by moving only three matchsticks?
122. The plebeian aediles have invited five poets to perform at the Odeum of Domitian during the ludi scaenici next week. Each author will perform on a different day at a different time. In an effort to offer something for everyone, all the invited authors wrote in different genres. Based on the following information, match the name of each poet with his hometown, the title of his work, the genre of his poem, and the time and day of his performance.
123. Can you draw this figure without lifting your pencil from the paper, retracing any lines, or crossing them?
124. Can you draw this double crescent figure without lifting your pencil from the paper or retracing any lines?
125. For the Saturnalia, Véronique spent a total of 88 sestertii for three gifts. The gift for Senex cost one-half as much as the gift for Iphigenia, and the gift for Genuflex cost one-third as much as the one for Iphigenia. At the time of her purchase, 1 gold aureus = 25 silver denarii = 100 brass sestertii = 400 bronze asses.
126. An argentarius suspects that 1 of the 8 denarii which he received at his booth that day is counterfeit and weighs too little. Using only a balance scale, how can the banker tell which coin is the lighter weight counterfeit in just two weighings?
127. Prior to a meeting of the Senate, Gaius Perplexus challenged the assembly with this proposal: "I'll give an amphora of wine to the first citizen who can answer this question correctly."
My housekeeper likes to buy eggs in bulk. Today she returned to the domus with165 eggs in four baskets, and there was an odd number of eggs in each. How is such a thing possible?
128. Laborers in a quarry devised a primitive conveyor belt made of logs for moving massive blocks of stone. If each log has a circum-ference of two feet, how far forward will the block have moved when each log has made one complete revolution?
129. A curious puzzle from the East called sudoku has been brought to Rome. Each row and column should contain one of each of the Roman numerals I-VI. In addition, each of the shapes marked by thicker lines should also contain the Roman numerals I-VI. Are you able to solve this Roman sudoku?
130. Tignarius is an ingenious carpenter. He sawed through a perfect cube of wood with one straight cut to divide it equally and to form two perfectly heaxagonal surfaces. Can you figure out his plan?