I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

Why is the Hole below a Lock?

How can you leave a room with two legs and return with six legs?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?