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?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

What is harder to catch the faster you run?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

In the four images below, can you find the odd one out?

What is the below Rebus indicate?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Can you count the number of matches in the picture below ?

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?