Count the number of triangles in the picture below:

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What number divided by 4 is the same as that number minus 4?

What word is pronounced the same if you take away four of its five letters?

What is the word or phrase?

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

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

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

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?