Find the value of "?" in the ball picture Riddle below:

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

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

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?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Can you start the fire using two pieces of wood?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?