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 ?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

I don't get anymore wetter, no matter how much rain falls on me.

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

John was piloting a plane behind a car but was never able to overtake it. Why?

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?

What has one letter and starts with an E?

Give it food and it will live; give it water and it will die.