What begins with T, ends with T, and has T in it?

what does the below rebus means?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Count the number of triangles in the picture below:

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

What am I?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

Which is the correct shadow of the bird?