Who can jump higher than a Mountain?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Which country gets ill every time?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

How many triangles are there on the puzzle below?

Can you name some countries which do not have the alphabet 'A' in them?

Move three sticks of the spiral below to form a square.