What word is pronounced the same if you take away four of its five letters?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

What is the next shape from answers A, B, C, and D figure?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Can you find out the number that should replace the question mark with a valid reason?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Count the number of triangles in the below picture?

Most people think of me as money. But when they find me in the water, they won’t get any money out of 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.

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?