science
maths
music
history
geography
100

Diabetes develops as the result of a problem with which specific organ in the body?

Pancreas

100

Is Pi a rational or irrational number?

Irrational It can't be written as a fraction.

100

If there are 52 white keys on a piano, how many black keys does it have?

36

100

The Shortest war in human civilization history was between England and Zanzibar. How many hours did it last?

Less than an hour

100

This is the only major city located on two continents. Which continents are they?

Istambul

200

True or false – lightning is hotter than the sun.

True

200

Which number is the sum of its multiples when you add the single digits together?

Nine

200

Named after the Greek god of wind, this musical instrument is played by passing a current of air over its strings. What is it?

Aeolian Harp.

200

What natural human bodily fluid did Romans use as mouth wash because of the presence of ammonia in it?

Urine

200

What is the national river of Russia?

The Volga

300

How long does a human red blood cell survive?

120 days

300

How many equal sides do Icosahedrons have?

20

300

This large wind instrument is used for cultural music by the indigenous people of Australia.

Didgeridoo.

300

In what year was Mahatma Ghandi killed?

1948

300

Riyadh is the capital of this Middle-Eastern country.

The Kingdom of Saudi Arabia

400

This planet spins the fastest, completing one whole rotation in just 10 hours. Which planet is it?

Jupiter

400

What is the billionth digit of Pi?

Nine

400

Chopin was well known for his Ballades. How many did he compose?

4

400

Who is the Greek God of the Underworld?

Hades

400

What is the coldest sea on Earth?

The White Sea, in Russia, has the lowest temperature, only -2 degrees centigrade.

500

How many bones do sharks have in total?

Zero

500

When was the equal sign invented?

1557 by Robert Recorde

500

What year did the Sydney Opera House open to the public?

1973

500

In 1593, the thermometer was invented, which inventor is connected to its invention?

Galileo

500

What is the oldest active volcano on Earth?

Mount Etna of Italy