There is something which you can be arrested for attempting but not for successfully completing.

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?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

What demands an answer, but asks no questions

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

Replace the question mark with the correct number in below Picture:

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Find the next number in the series.
1 10 24 43 67 ?

You need to move three matchsticks to form three squares. Can you do it?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?