This is stupid, we're not playing anymore. A popular brainteaser created by the National Geographic has proven that in certain circumstances, kids are definitely brighter than adults. The picture simply shows a double-ended bus, with two arrows, and participants were asked to determine in which way the bus is travelling. According to Mummypages, eighty per-cent of preschool children could answer the question correctly, whereas adults were left "scratching their heads". Can you solve it? We couldn't. Scroll down for the answer. ...       ...       ...       ...         ...         ...       ...         ...         ...           ...           ... The bus is travelling to the left, because the door is not visible from this side. Obviously, in countries where the driver sits in the right hand side of the vehicle, the bus is travelling to the right.