why number 8549176320 is one of a kind?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

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

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

Can you name four days which start with the letter 'T'?

Our product and our sum always give the same answer. Who are we?

What do you get if you add 2 to 100 four times?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

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