What unit of measurement is used in astronomy?

• A light year
• A solar hour
• A terrestrial kilometer
• An astronomic distance

Amazing facts

The distance from the Earth to the Sun is almost 150 million kilometers. An airplane traveling with a speed of 1,000 kilometers per hour would reach the Sun in 17 years. Light copes with this task in 8 minutes.

A light year is the distance that a ray of light travels in a terrestrial year.

Which of these planets doesn't have moons?

• Venus
• Earth
• Mars
• Jupiter

Amazing facts

Venus is very similar to Earth in terms of its mass and size.

Venus is the second planet from the Sun, one of the four terrestrial planets along with Mercury, Earth and Mars. Venus doesn't have any moons.

What is the 'Oral-B' company known for?

• Sending the first toothbrush to the Moon
• The invention of tooth paste
• The invention of the first electric toothbrush
• The invention of dentures

Amazing facts

The first electric toothbrush was invented by Dr. Philippe Guy Woog in Switzerland in 1954. In 1963, it hit the market under the 'Oral-B' brand.

In 1969, Oral-B became the first toothbrush to go to the moon as used by the Apollo 11 astronauts.

In which country did the game "Go" emerge?

• China
• Australia
• United States
• France

Amazing facts

In one 'Go' variant, one (as a handicap) or both of the players cannot see the board. Therefore, they have to remember the whole position. This is considered much more difficult than playing blind chess. next q

Go" is a logical board game with a deep strategic plot that originated in Ancient China from 2 to 5 thousand years ago.

Which means of transport was invented first?

• Car
• Tram
• Zeppelin
• Locomotive

Amazing facts

The global number of cars exceeded one billion in 2010. That equals about one car for every 7 people.

The history of the car began in 1768 with the creation of steam-power machines capable to carry humans. The prototype of the locomotive was built in France just a year later.

Which continent is the smallest on Earth?

• Australia
• Antarctica
• Eurasia
• Africa

Amazing facts

Water is a scarce resource on the Australian continent. Australia has the fewest rivers of any inhabited continent.

Australia is a continent located in both the Southern Hemisphere and the Eastern Hemisphere. It is the smallest and driest continent on Earth and is considered part of the Australia and Oceania region.

Which of the following contains the high concentration of fragrance?

• Parfum
• Eau de cologne
• Eau de toilette
• Eau de parfum

Amazing facts

Each perfume has three notes: "Notes de tete," or top notes, "notes de coeur," central or heart notes, and "notes de fond," base notes. The fragrance lives, changes and fully reveals itself within a few hours.

Parfum or extrait has a 20–30% concentration of fragrance. Perfumes are made from perfumery alcohol and aromatic oils. Perfume aroma depends on their quantity, combination and concentration.

What actor rejected his Oscar?

• Marlon Brando
• Jim Carrey
• Charlie Chaplin
• Alexander Petrov

Amazing facts

Marlon Brando refused to accept the Best Actor Oscar for his performance in The Godfather.

Brando, one of the greatest actors in cinema history, won the Academy Award twice but rejected one of his Oscars for political reasons.

What does the word "opera" mean in Latin?

• Work
• Singing
• Music
• Concert

Amazing facts

Prior to the 17th century, only men sang in opera.

The term "opera" emerged much later than the type of musical works it refers to. The term was first used in this sense in 1639, and it was not before the turn of the 19th century that it became used commonly.

What was the shape of the table at which the King Arthur's knights gathered?

• Round
• Square
• Triangular
• Rectangular

Amazing facts

Wace, a Norman poet, was the first to mention the legend of King Arthur's Round Table around 1150.

The Knights of the Round Table are heroes from different works and stories that were changed many times, so there is no exact list of them. Even the number of knights varies in works of different authors. For example, in French texts that go all the way back to the 18th century, the numbers mentioned are 150, 240 and 366, while Layamon's Brut speaks of 1,600 knights.