In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Here is a Swiss Cross. You have to make two straight cuts in the figure so that it is divided into four congruent pieces. Also, you should be able to join these pieces into a square then. Can you accept this challenge?

What is the fastest way to double your money?

What is the next number in this series?

4,12,84,3612....

Imagine you are in a room with no windows or doors. How will you get out?

Can you solve this picture maths equation?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

What has a bottom at the top?

When is the top of a mountain similar to a savings account?