With the help clues provided in the image, can you find the 5 digit key?

What does this mean?

CCCCCCC

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

The Judge knows that Alamgir was killed by his girlfriend Jasline, but the judge is unsure whether to punish her. Why?

You need to arrange three 7 and mathematical symbols to form number 1?

What is red and smells like blue paint?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?