A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

Can you count the number of matches in the picture below ?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

There are 4 big houses. They are made from the materials: red marble, green marble, white marble and blue marble.

* Mrs Jennifer's house is somewhere to the left of the green marble one and the third one alone is white marble.
* Mrs Sharon owns a red marbles house and Mr Cruz does not live at either end, but lives somewhere to the right of the blue marbles house.
* Mr Danny lives in the fourth house, while the first house is not made from red marble.

Who lives where, and what is their house made from?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

The more you take me, the more you leave me behind.
Who Am I?

Buy me, smell me or deliver me, I do not change.

Who am I?

What is the end of everything?

There is a place where if I stand up straight, I will still be considered sideways.