Maths
When my father was 31, I was 8 years old, and now my father is twice my age. How old am I now?
23
What goes around, comes around. What is this law of physics?
The third law of physics or Newton's third law.
Which country has the largest population in the world?
China
How many notes are there in musical notation?
7
How many times has the Mona Lisa been stolen?
5
The boy paid one ruble and another half of the price of the book. How much does the book cost?
Two rubles
What color is white?
Seven colors of the rainbow.
Where is the largest volcano on Earth?
Hawaii
What do a guitar and a piano have in common?
These instruments use strings to produce sound.
How many years did the 100 Years' War last?
116
When do we look at the number “two” and say “ten”?
When the clock hand shows ten minutes.
What has no length, depth, width, height, but can be measured?
Temperature and time.
What is the name of the tallest continuous waterfall in the world?
Angel Falls
What is the name of a large group of musicians who jointly perform a piece of music on various musical instruments?
Orchestra
Along with Hiroshima, which Japanese city was hit by the atomic bomb in 1945?
Nagasaki
How many plus signs (+) do you need to put between the digits of 987 654 321 to make the total 99?
There are two possible solutions: 9 + 8 + 7 + 65 + 4 + 3 + 2 + 1 = 99 or 9 + 8 + 7 + 6 + 5 + 43 + 21 = 99.
It swirls, not smoke, falls, not snow. What is this?
Fog
What is the name of the smallest country in the world?
Vatican
What is the name of the oldest plucked string musical instrument?
Harp
How many days were there in a week in Ancient Rome?
8
A boy has as many sisters as brothers, and his sister has half as many sisters as brothers. How many brothers and how many sisters are there in this family?
Four brothers and three sisters
Which bread is heavier: hot or cold?
Cold. More intense evaporation of water occurs from hot bread - and therefore there is less moisture in the bread.
How much of the Earth's surface is covered by ocean?
71%
Who do we call the King of the Waltz?
Johann Strauss
Which era marked the transition from agricultural to industrial methods?
The era of the industrial revolution.