I have feet, but no legs. Which animal Am I?

What is both possible and impossible at the same time?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

What always comes into a house through the keyhole?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?