what does the below rebus means?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

You can hear me, but you can't touch or see me.

What am I?

Prove that the below maths equation is true.

8 + 8 = 91

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

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 you drop a raw egg from a height onto a concrete floor without cracking it?

Why is 6 afraid of 7?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?