Can you place six X (crosses) in below board without making three in a row in any way ?

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?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

If an electric train is travelling south, then which way is the smoke going?

What can jump higher than a building?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

How can you make number one disappear by adding something to it?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?