Numbers and measurements

Roughly speaking, how heavy is the planet Earth?

• 60 billion tonnes

• 600 billion tonnes

• 6 trillion tonnes

• 60 trillion tonnes

How heavy is the Great Pyramid of Giza?

• 600 tonnes

• 6 million tonnes

• 60 million tonnes

• 6 billion tonnes

How many countries are there on the continent of Africa?

• 13

• 30

• 53

• 65

It takes approximately 365 days for the Earth to revolve around the sun. Mercury is the closest planet to the sun. How many days does it take the Mercury?

• 7

• 28

• 52

• 88

How many bricks are there in the Empire State Building?

• 1,000

• 1,000,000

• 1,000,000,000

• 10,000,000,000

How many kilobytes are there in a megabyte?

• 100

• 1,000

• 1,000,000

• 1,000,000,000

When was the first computer game invented?

• 1946

• 1952

• 1962

• 1974

When was the Eiffel Tower Built?

• 1792

• 1891

• 1914

• 1940

How much of the air we breathe is oxygen?

• ⁹/₁₀

• 3/₄

• ¹/₅

• ¹/₈

How much of the surface of the Earth is covered in water?

• ¹/₃

• ²/₅

• ⁵/₈

• ⁷/₁₀