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

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

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

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?

If an electric train is travelling south, then which way is the smoke going?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

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?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

Can you write down eight eights so that they add up to one thousand?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.