What type of tree can I carry in my hand?

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

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Why do Chinese men eat more rice than Japanese men do ?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

If 1+9+8=1, what is 2+8+9?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"