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

I cannot talk, but I always reply when spoken to. What am I?

How can one talk without saying a single word?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

Do you know who was buried in John's tomb?

You can see it everyday, But cannot touch it at will. What is it?

What does the rebus below mean?

TEN BADTION

What's the best place to go shopping in the ocean?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?