We play "Riddle of the Day" each day on Triple M Breakfast with Mandy and we have a lot of cluey people who listen to the show because many people who call through are spot on the answer! But are you in the very small percentage that could pass the test to become an air-traffic controller?
Try this practice test by selecting which symbol comes next in each sequence. Once you click on what you think is the right symbol it'll tell you if it's the correct answer.
Tell us how you go!