I travel all around the world but always stay in the corner. What am I?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

What is at the end of a rainbow?

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

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

The answer I give is yes, but what I mean is no. What was the question?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

What time is it when an elephant sits on a fence?