If eleven plus two equals one, what does nine plus five equal?

What does below Rebus say?

XLR8

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

A woman named Maria was at the funeral of her mother. She met a nice young man that she had never seen before and after the service, they spent a bit of time together. Then she got busy and didn’t get his name or phone number before he left. She tried to find him, but no one knew who he was or how to contact him. A few weeks later, Maria’s older sister dies and the police suspect murder. Who killed the sister?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

Can you name some countries which do not have the alphabet 'A' in them?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?