In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?

How many words can a pen with half refill write?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Can you count the number of triangles in the given figure?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

When we see 2 but call 10?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?