It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Which is heavier: a ton of bricks or a ton of feathers?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

These types of puzzles are known as charades. What you have to do is to find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be the 'office'.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

Why do Chinese men eat more rice than Japanese men do ?

How many letters are in the alphabet?

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

Find the hidden panda in the image below.

I cannot talk, but I always reply when spoken to. What am I?