My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

People make me, save me, change me, raise me. What am I?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

How many triangles can you find in this given picture?

Why Aeroplane windows are round?

Why is the Hole below a Lock?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?