Elmo's riddle time!!!

 How can you make the following true by adding a single line: .9 = 1.

Note: ≠ is not the answer.

Ap exams! No riddles!!!

Level 3
     Sergi and Sally were sitting in their family room one night. While Sergi was watching TV, his wife Sally was reading. All of a sudden the power went out and Sergi decided to go to bed, but Sally kept on reading. With no use of artificial light, Sally kept on reading. How?

Level 2
Jack is taking a tour through a museum's American Presidents exhibit. The person leading the tour tells him "We have a picture of each presidency. Currently Barack Obama is the 43rd person to hold the office." But Jack quickly realizes that there are 44 pictures on the wall. But while walking through the exhibit he realizes why this is.

Why is there one too many photos?

Level 2
There was a window cleaner who was cleaning a window on the 25th floor of a skyscraper. He suddenly slips and falls. He has no safety equipment and nothing to soften his fall, but he is not hurt at all. How do you account for that?

Level 3

This is an unusual paragraph. I'm curious as to just how quickly you can find out what is so unusual about it. It looks so ordinary and plain that you would think nothing was wrong with it. In fact, nothing is wrong with it! It is highly unusual though. Study it and think about it, but you still may not find anything odd. But if you work at it a bit, you might find out. Try to do so without any coaching!

Riddle time with Hikaru and Jared

A young man walks through the forest. He comes to a bridge. In front of the bridge is a large man carrying an axe. The man says, "If you want to cross this bridge, you must tell me a statement. If I think the statement is true, you will be strangled to death. If I say the statement is false, your head will be chopped off." A few minutes later, the young man walked over the bridge, while the larger man stood pondering. What was the statement the young man had given?

Imagine your in a sinking boat and there is alligators trying to eat you. How do you save yourself?

 A man in prison has a visitor. Afterward a guard asks the inmate who the visitor was to him. The inmate replies: "brothers and sisters I have none, but that man's father is my father's son." Who was the visitor to the inmate?

A poor man is sitting in a pub. He sees that the man next to him is extremely rich.

Poor man: I have an amazing talent; I know almost every song that has ever existed.

The rich man laughs.

Poor man: I am willing to bet you all the money you have in your wallet that I can sing a popular song that includes a lady's name of your choosing.

The rich man laughs again.

Rich man: OK, how about my daughter's name, Joanna Armstrong-Miller?

The poor man goes home rich.

What song did he sing?

Are you smarter than a 12 grader??

 
What single line can you add to the following statement to make it true?

5+5+5=550

A man walks into a bar and asks for a glass of water. The bartender pulls out a shotgun and points it at him. The man says, thank you and leaves. Why 

A man is lying dead with a backpack on, face down in the desert. What happened