You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

Name a key which is hardest to turn.

Can you spot the hidden girl in the picture below?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

Can you write down eight eights so that they add up to one thousand?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3