Are you ready for this math riddle test? Okay, in today’s math riddle, a series of circle-based numbers is given, which is used as logical arithmetical reasoning to test your mental ability. So, can ...

An airplane, traveling with a constant engine speed, makes a large and perfect circle parallel to the ground. There is no wind. Will it complete the same circle in greater, less or the same time if ...

One string in each of the following pairs can be unraveled into a circle—the so-called unknot. Which one is it?

Introduction Do you ever use math as a tool to solve interesting problems? In the 1970s math was often taught with simple worksheets. One teacher was looking for a way to help his students have more ...