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

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

How could a baby fall out of a twenty-story building onto the ground and live?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?