How many times have you lost a bet because the challenge was a bit hard or you were just plain unlucky? Well, if you are a sore loser (sorry), here's a video from British professor Richard Wiseman showing you 10 simple bets you can challenge your friends to while knowing very well you're going to win.

You may have seen some of these tricks before as they're quite popular among young magicians. Some of these tricks use simple science, a concept lost amongst us post-high schoolers. But simplicity aside, some of these tricks are also downright funny and are sure to catch your friends off-guard with the quirky results. And to add insult to their defeat, you get to keep their money too!

Watch, learn and earn below.