Can you replace the question mark with the correct number?

Who is that with a neck and no head, two arms and no hands? What is it?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Find the hidden panda in the image below.

Our product and our sum always give the same answer. Who are we?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?