Replace the question mark with the correct number below.

Can you find out which options fits best with the missing column?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

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?

Count the number of triangles in the picture below:

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

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

What is the centre of gravity?

What does this rebus mean?

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