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

Why is 6 afraid of 7?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

What is both possible and impossible at the same time?

My location can be determined by the below rebus.
So where am i ?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?