Decode the movie name from the below picture?

What has many teeth, but cannot bite?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?