There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

What is the centre of gravity?

What goes up but never comes down?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.
You can, however, ask one robot one question. The problem is one robot always tells the truth, the other always lies and you don't know which is which.
What is the question you ask?

How many triangles are there on the puzzle below?

Can you find the company name in the pictogram below?

In the picture given below, can you find out which digit will take place of the question mark?

why number 8549176320 is one of a kind?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?