An equation is a mathematical statement showing that two expressions are equal. The two expressions are linked with an equals symbol (=). The unknown variable (often the letter \(x\)) can take any ...

You do not have to be a mathematician to figure out the series of equations involved in this brainteaser make no sense. This numerical riddle shows a pattern of addition equations before asking you to ...

While most adults are more than happy to be a long way away from their school exams, many of us enjoy challenging ourselves with a quiz or a puzzle. Keeping your mind sharp as you get older becomes ...