You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

You can hear me, but you can't touch or see me.

What am I?

Buy me, smell me or deliver me, I do not change.

Who am I?