A quiz of fun trivia: bite-sized knowledge that leads to new insights.
This is a trivia quiz that could prompt you to pay attention to things that have become routine in daily life—things you do without question, almost on autopilot.
By focusing closely on what you’ve taken for granted and learning the reasons behind it, you may strengthen your ability to think and observe.
Precisely because these are things we rarely stop to consider, posing them as questions to people around you might spark lively discussions.
Once you realize that everyday life is full of mysteries, you may find each day more enjoyable.
A quiz of interesting trivia: fun facts where you can discover new insights (1–10)
Who was the first person to use the classic rock-paper-scissors chant, “Starting with rock”?
- Sanma Akashiya
- Ryoma Sakamoto
- Ken Shimura
See the answer
Ken Shimura
The classic call “Saisho wa guu” (“Start with rock”) was invented and popularized by the Japanese comedian Ken Shimura. By using the phrase in his comedy sketches, it became widely established. It was proposed as a mindset to ensure fairness when starting a game of rock-paper-scissors, and today it is beloved nationwide in Japan as the standard way to begin the game.
Who was the first person to eat ramen in Japan?
- Ryoma Sakamoto
- Tokugawa Mitsukuni
- Soseki Natsume
See the answer
Tokugawa Mitsukuni
Ramen is a dish that originated in China and took root in Japan, and the person said to have eaten ramen in Japan for the first time is Tokugawa Mitsukuni. Tokugawa Mitsukuni, also known as Mito Kōmon, was active from the late 17th to the early 18th century. It is said that he ate a noodle dish prepared by a monk who had come from China and took a liking to its taste. Having eaten a Chinese-style noodle dish that was still rare in Japan at the time, he can be considered to have played an important role in the history of ramen in Japan.
What is Hello Kitty’s weight?
- One pancake serving
- three apples worth
- one packet of sugar
See the answer
three apples worth
According to the official profile of Sanrio’s hugely popular character Hello Kitty, her weight is said to be the equivalent of three apples. This unique expression is one of the things that makes Kitty-chan so endearing. By using everyday objects as units to describe her weight, the character feels more real and familiar.
What does the J in playing cards, “jack,” mean?
- royal family
- knight
- servant
See the answer
servant
The J in playing cards is called the Jack, and in medieval Europe it referred to a young man serving directly under knights or nobles—that is, a servant. In playing cards, the Jack represents a rank below the King and Queen, reflecting the historical social hierarchy.
What are camel humps made of?
- moisture
- muscle
- fat
See the answer
fat
A camel’s hump is primarily composed of fat. This fat reserve enables camels to survive for long periods in harsh desert environments even when water and food are scarce. The fat stored in the hump is used as energy when needed and is converted into water as appropriate.
What does the “choux” in cream puffs mean?
- cabbage
- shoes
- injection
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cabbage
The “choux” in “choux cream” comes from the French word “chou,” meaning “cabbage.” The name is said to originate from how the dough puffs up when baked, resembling a small cabbage. Its appearance is so charming—just like a little cabbage—that it was given this name. Thanks to this quiz, you might find yourself remembering the origin of the name every time you see a cream puff.
What color is hippopotamus sweat?
- transparent
- red
- black
See the answer
red
A hippopotamus’s sweat is actually red. They secrete a liquid containing red pigments from special glands. This red “sweat” includes chemicals that act as a moisturizer and a sunscreen, playing a very important role in protecting their skin. By guarding against dryness and shielding from UV damage, it helps hippos spend long periods of time out of the water. It may be a surprising sight to first-time observers, but it’s a natural part of the hippo’s defense mechanism.
Which blood type is the most common among Japanese people?
- Type A
- Type B
- Blood type O
See the answer
Type A
In Japan, it is said that people with blood type A are the most common. Looking at the distribution of blood types in the country, type A accounts for about 40%, making it the largest proportion. There are also cultural practices and beliefs suggesting a link between blood type and personality, and in Japan, blood type personality assessments are often a common topic of conversation. However, while the association between blood type and personality is not scientifically established, the fact that many Japanese people have type A is an interesting statistic.
What is the most harvested fruit in Japan?
- Apple
- banana
- mandarin orange
See the answer
mandarin orange
The fruit with the highest yield in Japan is the mikan (mandarin orange). It is cultivated in various varieties, with Ehime and Wakayama prefectures serving as major production areas. Long familiar to the Japanese, mikans are notable not only for their fruit but also for the frequent use of their peels. In season from autumn to winter, mikans are loved by many for their soft, juicy sweetness.
What was the first thing Doraemon ate when he came to Nobita’s house?
- chocolate
- dorayaki
- rice cake (mochi)
See the answer
rice cake (mochi)
In the manga Doraemon, when the blue cat-shaped robot Doraemon came from the future to Nobita’s house, the first thing he ate was mochi (rice cake). The first episode is set during New Year’s, and there’s a scene where Doraemon arrives and eats the mochi he sees. Although dorayaki is famous as Doraemon’s favorite food, the first thing he actually ate upon his debut was mochi.



