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

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

Can you count the number of triangles inside a triangle?

Count the number of triangles in the picture below:

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

It belongs to you, but other people use it more than you do. What is it?

Can it be possible to build a house that has all its four walls facing towards the South?

Why Wine Glass Stem is so long?

Which digit occurred maximum times between the number 1 and 1000?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?