I have Rs.50 and I spend it in the way as below.

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?

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

They are three errirs in this question. Can you find them?

There is something which is always coming but never arrives?

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

What word is pronounced the same if you take away four of its five letters?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?