As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

I am sure no one can have two things for dinner. what are they?

Can you place six X (crosses) in below board without making three in a row in any way ?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

How many times do a clock's hands overlap in a day ?

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

I shave every day, but my beard stays the same. What am I?