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

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Which is the correct shadow of the bird?

How many times can you subtract the number 5 from 25?

What breaks yet never falls, and what falls yet never breaks?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

I am white when I am dirty, and black when I am clean. What am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

What month of the year has 28 days?