It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

Rearrange the letters in "new door" to make one word.

What can go up a chimney down, but can’t go down a chimney up?

What do you think with the below Picture ?

Why Wine Glass Stem is so long?

Which is faster, Heat or Cold ? Explain.

Can you name an animal whose killing cannot be performed without spilling your own blood?

Prove that the below maths equation is true.

8 + 8 = 91

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?