If eleven plus two equals one, what does nine plus five equal?

I travel all around the world but always stay in the corner. What am I?

It is always ahead of me yet I can never see it. What is it?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

What does a man do only once in his lifetime, but women do once a year after they are 29?

You need to remove two matchsticks to make the below equation true. Can you do it ?

Next Number in the Series,

5, 16, 49, 104, ?

What do you get if you add 2 to 100 four times?