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

Find the 8 in the below-given Image.

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Which is the smallest number that you can write using all the vowels exactly once?