Count the squares in the matchstick puzzle below?

What is the next number in this series?

4,12,84,3612....

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Using Only Five 5's and any mathematical operator make sum as 37

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?