If there are nine people in a room and every person shakes hands exactly once with each of the other people, how many handshakes will there be? How can you prove your answer is correct using a model ...

Understand the nature of your problems – and how to solve them. (Image: Supplied) In an ideal world, problems would melt away. But this side of the rainbow, we’re left to solve them on our own.

As obvious as it sounds, the first step in problem solving is recognizing the existence of a problem. This becomes important once you consider that people have to adopt and implement a solution - ...