What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Can you count the number of squares in the figure below?

A bomb exploded in a room full of married couples and no one died. How?

A swan sits at the center of a perfectly circular lake. At an edge of the lake stands a ravenous monster waiting to devour the swan. The monster can not enter the water, but it will run around the circumference of the lake to try to catch the swan as soon as it reaches the shore. The monster moves at 4 times the speed of the swan, and it will always move in the direction along the shore that brings it closer to the swan the quickest. Both the swan and the the monster can change directions in an instant.
The swan knows that if it can reach the lake's shore without the monster right on top of it, it can instantly escape into the surrounding forest.

How can the swan successfully escape?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?