Why do Chinese men eat more rice than Japanese men do ?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

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

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Can you start the fire using two pieces of wood?

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

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?