Decode this picture on T-Shirt and tell what it says ?

Move three sticks of the spiral below to form a square.

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

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Our product and our sum always give the same answer. Who are we?

What jumps when it walks and sits when it stands?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Why Wine Glass Stem is so long?

Can you identify the hidden rebus in the image below?

When it's bad luck to meet a black cat?