Which country's flag incorporates the mathematical constant π (pi) most directly?

In what country did the concept of zero as a number first emerge?

Which country is home to the Fields Medal, often described as the 'Nobel Prize of Mathematics'?

Leonhard Euler, a prolific mathematician, spent a significant portion of his career in which two countries?

Which country is associated with the mathematician Emmy Noether, known for her groundbreaking contributions to abstract algebra and theoretical physics?

The abacus, an early calculating tool, is thought to have originated in which country?

What country is Ramanujan associated with; who made substantial contributions to mathematical analysis, number theory, infinite series, and continued fractions?

Which country established the International Mathematical Olympiad (IMO)?

The 'Rhombille tiling' is commonly found in mosaics and art from which country's ancient cultures?

What country is credited with creating the earliest known decimal system?