What is the smallest number of jelly babies Matt needs to remove from his pocket to guarentee he gets at least one of each flavour?
A bag contains red, orange, green and blue marbles. How many need to be taken out to ensure that at least three are of the same colour?
Sam is holding two lengths of rope, and Pat ties two of the loose ends at random. What ropes could they end up with, and with what probability?
Three monkeys each hung up their hats as they entered a cafe. They each took a hat at random when they left. What is the probability that they all took the correct hats?
Pizza, Indian or Chinese takeaway. Each teenager from a class only likes two of these, but can you work which two?