I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

What has many keys but can’t open a single lock?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

What demands an answer, but asks no questions

If six children and two dogs were under an umbrella, how come none of them got wet?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

I know a nine-letter word having only one vowel.
Do you ?

I have no life, but I can die. What am I?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?