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?

Why is the longest human nose just 11 inches?

Why do you find that most of the buildings are deprived of the 13th floor?

What is both possible and impossible at the same time?

What 5-letter word typed in all capital letters can be read the same upside down?

Find the smallest sentence with all the English alphabet.

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

What is harder to catch the faster you run?

What part of Turkey has the most feathers?

What is the coolest letter in the alphabet?