Can you solve this picture maths equation?

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

When it is alive we sing, when it is dead we clap our hands. What is it?

Prove that twice of ten is the same as twice of eleven.

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

What happened when the wheel was invented?

Can you replace the question mark with the correct number in the below table sequence?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

How can one talk without saying a single word?