Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

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

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

I cannot talk, but I always reply when spoken to. What am I?

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

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

It belongs to you, but other people use it more than you do. What is it?

81 x 9 = 801. What must you do to make the this equation true?