You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

How many bananas can you eat if your stomach is empty?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Who can jump higher than a Mountain?

What happened when the wheel was invented?

Using Only Five 5's and any mathematical operator make sum as 37

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What is more useful when it is broken?