How can you tell a raw egg from a hard-boiled egg?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

What is full of holes but still holds water?

what does the below math rebus puzzle mean?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

My location can be determined by the below rebus.
So where am i ?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).