Are you clever enough to solve these three fiendishly difficult brain teasers?

Brain teasers are a great way of keeping your mind sharp, while simultaneously making you self-conscious about your intelligence when you can't figure out the simple answer.

But don't worry, we know you'll nail the questions below... even if you are feeling the effects of one or two or seven pints too many last night. The answers are at the bottom of the article so scroll down to give in to the frustration confirm you've got them right. Teaser One: Conor went with his uncle to the movies. They went up to the ticket kiosk and Conor had to pay for the tickets, as usual. But that wasn’t the worst of it. The ticket lady said, ‘You can go in but not your friend.’ Why wouldn’t she let Conor’s uncle in? He was smartly dressed and had often been to the same cinema before without any trouble. Teaser Two: Steven and Lisa were born at the same hour of the same day to the same mother in the same hospital. They have the same father and yet they are not twins. Why? Teaser Three: Though the discoverers of Antartica were often close to starvation, they would never touch the meat of a polar bear, even though they possessed the means to kill one. Why? For the answers, scroll down past the gifs. Teaser One Answer: It was an adult movie and Conor’s uncle is only 10 years old. Teaser Two Answer: Because they are two of a set of triplets Teaser Three Answer: Polar bears are found only in the Arctic