Can it be possible to build a house that has all its four walls facing towards the South?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

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

What is the fastest way to double your money?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

Next Number in the Series,

5, 16, 49, 104, ?

If two's company, and three's a crowd, then whats four and five ?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?