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?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

John needs to purchase 100 chocolates from three different shops and he has exactly 100 rupees to do that which he must spend entirely. He must buy at least 1 Chocolate from each shop.

The first shop is selling each chocolate at 5 paise, the second is selling at 1 rupee and the third is selling at 5 rupees.

How many chocolates should he buy from each shop?

Solve the counting riddle by identifying the number of triangles in the given picture.

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

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

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Where do fish keep their money?