It belongs to you, but other people use it more than you do. What is it?

Below rebus represent famous DiCaprio movie. Can you name it?

What is always in front of you but can’t be seen?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

Why 1729 is a magic number? Answer Logically.

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?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Why Wine Glass Stem is so long?