21 Tricky Questions that Will Give Your Brain a Great Workout


We here at Bright Side also feel pretty serious about training our brains, and that’s why when we came across these 20 intriguing questions, we decided to share them with you right away. So let’s get started with our brain fitness, shall we?

According to IATA (International Air Transport Association), these two passengers must not sit together in the same row in the airplane. Who are they?

Cats and dogs.


A group of women are getting on the local bus. Although the bus is not crowded, all of them sit at the back. Why is that?

You’re in Iran. Small children of both genders and all women have to sit at the back of the bus.


Back in 1445 the people of Moscow thought they were close to facing apocalypse as all the church bells started to ring simultaneously on their own. However, the exact same ’doomsday’ happened in 1091 in Kiev, and in 1802 again in Moscow. What was the reason for the ’doomsday’?

An earthquake.


The locals in Myanmar (Burma) raise cattle and poultry but they hardly slaughter the livestock, even poultry. They usually sell out their animals to the market, mainly to neighboring countries such as China, and buy back the meat they want from the dealers. Why such waste of time and money?

Because of the Buddhist doctrine of ahimsa (causing no harm).


There were times when tail docking was a common practice in Europe despite of the dog breed. Why?

Back then dog owners were taxed according to the length of their dogs’ tails, so docking was widely used to reduce the tax liability.


Every day our planet Earth gets heavier; in fact, it gains up to 60 tons of what?

Cosmic dust.


What Russia, Turkey and Egypt have in common?

They are located on two continent.


Back in 1945 every chicken killed in Muzo, Colombia, was subject to examination by a public official. Why such strange law?

They removed any emeralds found in the gizzard.


In 1965 Pele received a gold medal from Brazilian Ministry of Education for his autobiographic book ’Pele.’ How come a book had an impact on education?

Thousands of illiterate Brazilians started to learn how read with one particular goal — to read his autobiographic book.


Some sub-Saharan African tribes attach small pouches full of insects to their legs when they go hunting at night. Why do they need such thing?

To light the way (as they put fireflies in those tiny bags).


In 1997 when government officials of Tabasco, Mexico, decided to ban all kinds of beer to reduce growing alcoholism, the reaction they faced was strongly negative. Then, the Congress of the state got one brilliant idea: they banned the sales of only one type of beer. Which beer was it?

A cold one!


In Swaziland you never disturb a senator from doing THIS during a parliament session because the government official may be consulting the great ancestors at that moment. What do they do?

They sleep.


Many of the souvenirs bought in traditional African villages might have been an instrument for some disease treatment. What souvenirs are they?

Traditional African healers, also known as sangomas, use masks to treat their patients. Those masks are available for sale afterwards.


This small town in Andalusia, Spain was the first port in history to charge merchants for the use of its docks. What is the name of the town?



This river in Oregon, United States, was listed in the Guinness World Records as the world’s shortest river at 440 feet (130 m). Its name, starting with letter ’D’ is probably the shortest river name, too. So what’s its name?

D River.


Astronauts say that from outer space riverbeds look like the circulatory system of a living organism. What an interesting observation! Coincident or not, but during World War II doctors used THIS water instead of blood plasma. What kind of water was it?

The doctors turned to seawater to save lives when medical supplies ran out.


Colorblind people were never allowed to perform military service in the US Air Force before 1941. However, the situation changed at the beginning of the World War II — suddenly they became very much popular among all other candidates. Why?

They discovered that the camouflage stood out so easily that it wasn’t even a challenge for them to spot it.


The seabed of some Northern seas often feature long, narrow furrows most often called gouges, or scours. They may reach hundreds of feet in length and up to 16 feet in depth. Who is responsible for this phenomenon?

Icebergs and sea ice ridges.


First indoor Christmas trees in Europe were placed right there. Where exactly?

They brought the tree into the house and hung top down from the ceiling.


It seems like every year around New Year’s Eve, Iceland sets a new record in sales of THIS particular product. What product is this?

Fireworks. The Icelandic law states that anyone may purchase and use fireworks during a certain period around New Year’s Eve.


By touching just one glass, how can you make them all alternate between full and empty?

Pour the juice from the second glass into the fifth one.