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

Can you count the number of triangles in the given picture?

What part of Turkey has the most feathers?

How is a fly different from a mosquito?

What kind of tree can you carry in your hand?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?