The more of this there is, the less you see. What is it?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

There is something which is always coming but never arrives?

A man is walking down a road with a basket of eggs. As he
is walking he meets someone who buys one-half of his eggs
plus one-half of an egg.
He walks a little further and meets another person who buys
one-half of his eggs plus one-half of an egg.
After proceeding further he meets another person who buys
one-half of his eggs plus one half an egg. At this point, he
has sold all of his eggs, and he never broke an egg.
How many eggs did the man have to start with?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

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?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?