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

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

I have Rs.50 and I spend it in the way as below.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What country can make you shiver?

A sundial has the fewest moving parts of any timepiece. Which has the most?

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

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"