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?

Why are all black people so quick ?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

How is a fly different from a mosquito?

Can you start the fire using two pieces of wood?

What country can make you shiver?

Why is a river so rich ?

Why do you find that most of the buildings are deprived of the 13th floor?

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

Explain how?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?