These math puzzles test your brain and critical-thinking skills ... and no fractions or negative numbers are involved. Answer: Which number should replace the question mark? Answer: 9 Which ...

My best friend tests his 5 year old basic math questions from store-bought material which is good for one time use (his son memorizes the answers) …. but he wants to give him more practice.

A simple-looking math problem involving fruit has lots of people on Facebook very confused. After someone posted the question, over 2 million people have commented with conflicting answers.

This is a simple C# console application that provides basic mathematical operations such as addition, subtraction, multiplication, and division. It consists of a class named BasicMath containing ...

While the answer may seem straightforward at first ... The brain teaser read: "Simple Math test: 9 = 63, 8 = 48, 7 = 35, 6 = 24, 4 = ?" This puzzle also caught the attention of many, with people ...