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

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

Can you find the missing piece of the Porsche?

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

Which is the correct shadow of the bird?

10+10 and 11+11 can give you the same answer.

Explain how?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

It belongs to you, but other people use it more than you do. What is it?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?