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 ?

How many triangles are there in the picture below?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What kind of band never plays music?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Which of the below owl is odd one out?

What does this mathematical rebus means ?