तेज़ गणित - उस संख्या को दोगुना करें!

When you guess a country, all the countries it borders will also be completed. Can you fill in the world map in just 90 seconds?

Drag the flag onto the correct state. Careful, though! One wrong move and the game ends.

Drag the pin onto the correct country. Careful, though! Three wrong moves and the game ends.

For each of these well-known people, try to guess the year in which they died plus or minus five years.