Languages
Riddles
Common Knowledge
100

In which countries is English used as an official language? At least four must be named.


English is used as an official language in many countries, for example:

  1. United Kingdom
  2. United States
  3. Canada
  4. Australia
  5. Ireland
  6. New Zealand
100

It belongs to you, yet is used by other people far more than it is used by you. What is it?

Your name.

100

What atoms are found in one water molecule?

Two hydrogen atoms and one oxygen atom are found in one water molecule. This is represented by the chemical formula H₂O.

200

In which countries is German used as an official language? At least four must be named.

Austria, Belgium, Germany, Liechtenstein, Luxembourg, and Switzerland.

200

John is given three pills, each to be taken 30 minutes after each other. If he takes the first one at 13:00 pm, when is the last pill taken?


The last pill is taken at 14:00. The first one is taken at 13:00, the second at 14:30 and the third one at 14:00.

200

If red and green are mixed, which color is made?

Brown is made when mixing red and green .

300

In which countries is Spanish used as the official language? A least three must be named.

Spanish is used as the official language in the following coutnries:

  1. Spain
  2. Mexico
  3. Colombia
  4. Argentina
  5. Peru
  6. Venezuela etc.
300

There's a lake with water lilies (lekníny). Every day, the number of water lilies is doubled. It takes 17 days for the lake to be fully covered by the lilies. 

How many days does it take till the lake is half covered?

It takes 16 days till the lake is half covered. 

It the number of lilies is doubled each and we know on day 17 the lake is fully covered, that the previous day the lake must have been half covered.

300

What is celebrated on May the 5th?

Victory day is celebrated  - the end of World War II.

400

Is English used more often as a native language or a second langugage?

English is used more often as a second language than as a native language. It is used by approximately 1.5 billion people as a second language, while around 375 million people speak it as their first language.

400

In your left hand, something can be held that cannot be held in your right hand.

What is it?

Your right elbow.
400

Slovakia is bordered by which countries?

Slovakia is bordered by five countries: Poland to the north, Ukraine to the east, Hungary to the south, Austria to the west, and the Czech Republic to the northwest

500

In which country is the following alphabet used?

한글 알파벳은 남한과 북한에서 사용됩니다.

In South Korea

500

I am seen  once in June, twice in November and not at all in May. 

What am I?

The letter “e”

500

How are the following animals written and pronounced in English:

sova, losos, veverka, tučňák, červ

  1. sova - owl /ˈaʊl/
  2. losos - salmon /ˈsæmn/
  3. veverka - squirrel /ˈskwɜrl/
  4. tučňák - penguin /ˈpeŋɡwɪn/
  5. červ - worm /wɜ:rm/