By what process could you make a 'Tea-Table' into food?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

How can you leave a room with two legs and return with six legs?

Count the number of balls in picture below:

Can you spot the hidden girl in the picture below?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30