What demands an answer, but asks no questions

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

If a wheel has 54 spokes, how many spaces are there between the spokes?

I am the fastest animal but cannot climb the tree. What am I?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Do You See It?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?