What is wrong in the below Picture?

What you cannot hold but it is yours?

There was a strange boy who was born before his father. How can this be possible?

Buy me, smell me or deliver me, I do not change.

Who am I?

Can you decipher the below rebus?

PBLUESAISNUERSES

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

Can you solve below mathematical equation?

2^1234 - 2^1233

You can win me and lose me but never buy me
You can not eat me and never want to part with me
I can make you cry or bring you joy
I am not a machine and definitely not a toy
You keep me but i am not forever just yours
You might find me in a case or on a shelf next to a vase
I am hard and i am tall if you bump me i am sure to fall
I am made of different materials and am at many events
If your lucky and fight hard I might be yours
What am I ?

How can a man go eight days without sleep?