If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

If two's company, and three's a crowd, then whats four and five ?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

How far can you walk into the woods?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

How many bananas can you eat if your stomach is empty?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

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