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

Can you replace the question mark with the correct number?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Can you count the number of lines in the below picture?

Replace the question mark with the correct number.

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

Can you decipher the below rebus?

PBLUESAISNUERSES