The more it dries, the wetter it becomes. Can you tell what it is?

When can we add 2 to 11 and get 1 as the correct answer?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Which country gets ill every time?

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

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.

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

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

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?