What happened when the wheel was invented?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

Which part of London exists in France as well ?

How can you make number one disappear by adding something to it?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

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

Explain?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

I’m tall when I’m young, and I’m short when I’m old. What am I?