What am I?

I am sometimes white but usually black. I take you there, but I never bring you back. What am I?

I wear a green jacket on the outside, white jacket as a second layer, and a red jacket inside. I am pregnant with a lot of babies. What am I?

I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word. What am I?

I cannot speak but I have great knowledge, I’m not a tree but I have leaves. I have hinges but I am neither a door nor a window. What am I?

Riddles and Answers