How many sides does a circle have?

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?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

These types of puzzles are known as charades. What you have to do is find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be office.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

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

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

Why 1729 is a magic number? Answer Logically.

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?