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?

What month of the year has 28 days?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

A boy was driving a car, a girl took a lift from her. She asked his name. The boy said - my name is hidden in my car’s number, find it if you can. After this, she got down Car number was [ WV733N ] Can you guess the name now?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

In the image below, can you find the value of an angle(y)

Who is that with a neck and no head, two arms and no hands? What is it?