In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

Count the number of triangles in the given picture.

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

Which digit occurred maximum times between the number 1 and 1000?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

81 x 9 = 801. What must you do to make the this equation true?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?