How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

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?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

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

What is the word or phrase?

Can you name some countries which do not have the alphabet 'A' in them?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

What English word has three consecutive double letters?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?