You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

I am the fastest animal but cannot climb the tree. What am I?

A time long back, there lived a king who ruled the great kingdom of Trojan House. As a part of the renovation of the kingdom to meet future security needs, he asked his chief architect to lay down a new play in a manner that all of his 10 castles are connected through five straight walls and each wall must connect four castles together. He also asked the architect that at least one of his castles should be protected with walls. The architect could not come up with any solution that served all of King's choices, but he suggested the best plan that you can see in the picture below. Can you find a better solution to serve the king's demand?

What always comes into a house through the keyhole?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

Why are all black people so quick ?

What is black when you buy it, red when you use it, and gray when you throw it away?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?