What do you answer even though it never asks you questions?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

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?

What can you serve, but never eat?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

What does this rebus puzzle mean?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den