What do you call a fish without an eye?

The more of this there is, the less you see. What is it?

If eleven plus two equals one, what does nine plus five equal?

Where do fish keep their money?

What Time Should the last watch show in the below figure?

Why is 6 afraid of 7?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

Can you fill the blank with the correct number?

6 30 870 756030 _____

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?