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

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

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?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Can you count the number of triangles in the given picture?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Rearrange the letters in "new door" to make one word.

When 99 is considered higher than 100?