A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Count the number of balls in picture below:

Can you replace the question mark with the correct number?

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!!!

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

There are forty elephants and they have forty-fore heads. How can this be possible?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?