How many can you get right? A tricky 3-choice trivia quiz you'll want to tell someone about

Japan-U.S. Conversation Handbook

The book that became a bestseller in September 1945, immediately after the end of the war, was a Japanese–American conversation handbook, which was needed to adapt to new lifestyles and various changes. Driven by the demand for postwar reconstruction of daily life, education, and the reorganization of knowledge, many people picked up the conversation handbook to learn new words, giving rise to this phenomenon.

To differentiate from other products

On many dice, only the face showing 1 is in a special color. This is simply a design change, done to make them easier to distinguish from dice made by other manufacturers. Many dice made overseas have all faces, including the 1, rendered in black.

The University of Tokyo

The name “daigaku note” (college notebook) originates from the University of Tokyo in Japan. It was named so because it was created in a format designed to help University of Tokyo students use notebooks efficiently. As it was designed with a specific number of lines and character size to be convenient for taking class notes, it is said to have been named with academic use in mind.

mass blooming

In some bamboo species, a phenomenon called “mass flowering” occurs at extremely long intervals of about once every 60 years. Entire bamboo groves bloom simultaneously and then die within a short period. The flowering cycle varies by species, but a defining feature is synchronized blooming after decades-long intervals. After flowering, the bamboo leaves seeds and then dies, beginning a new cycle in which fresh bamboo grows. In this way, bamboo passes new life on to the next generation.

about 12.5 m

According to surveys and studies, the average length of toilet paper used by women in a day is about 12.5 meters. This is thought to be influenced by the fact that women encounter more situations requiring toilet paper than men and also tend to use a larger amount.

sanpō (a Japanese term meaning “three sides/directions”; also a traditional wooden offering stand used in Shinto/Buddhist rituals)

A sanpō is a stand used in traditional Japanese rituals and Shinto ceremonies, and at New Year it is used to hold kagami mochi. It is characterized by a square wooden platform with openings on three sides, with the remaining side facing the altar. By placing kagami mochi on a sanpō as an offering to the deities, people express gratitude and wishes. It is an essential New Year’s decoration and an important item that conveys Japanese culture and customs.

about 15%

Pigs are often thought of as chubby and fat, but in fact, modern pigs bred as livestock have a body fat percentage of only about 15%. Since the typical human body fat percentage is around 10–20% for adult men and 20–30% for adult women, pigs are actually quite lean and slim by comparison. This is because their nutrition is carefully managed to produce tasty pork, and they are raised to develop a muscular build.