Solving Math Riddles is a fun way to practice basic arithmetic skills. The questions range from simple addition and subtraction problems to more complex ones such as solving equations, calculating the ...

a priori Probability: the probability that we determine from knowing the process by which the uncertain event happens (by logically examining existing information). Certain Event: event that is sure ...

Life rarely hands us neat examples, though. Events mix, overlap, depend on past outcomes and human behaviour. That’s where probability gets interesting, and a little messy. Think about weather ...