Why is it very easy to weigh a fish?

What can you serve, but never eat?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

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?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

Prove that the below maths equation is true.

8 + 8 = 91

What has lots of eyes, but can’t see?

Which alphabet letter is a question?

When it's bad luck to meet a black cat?