ricoanimation03 on Instagram: "What is the hardest math test ever? ✅ What is the hardest math exam in the world? One widely cited contender is the William Lowell Putnam Mathematical Competition (Putnam Competition) for undergraduates. It’s extremely challenging and requires deep creativeness in problem solving. Another strong candidate is the International Mathematical Olympiad (IMO) for high-school students globally — six hard problems over two days. And for historical reference, the Cambridge