What does the below rebus riddle means?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Which English verb becomes past tense just by rearranging the letters?

The more you take me, the more you leave me behind.
Who Am I?

I add 5 to 9 and get 2. The answer is correct, so what am I?

How many times can you subtract the number two from the number fifty?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Why is it very easy to weigh a fish?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

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?