If 21x = 79x, what is the value of x?

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

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What does this simple rebus mean?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

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?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

I don't get anymore wetter, no matter how much rain falls on me.

Which is faster, Heat or Cold ? Explain.