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

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

What is full of holes but still holds water?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

When it's bad luck to meet a black cat?

Complete the table series riddle by finding the number that can replace "??".

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?