Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

What goes up but never comes down?

What will you call your mother's brother's brother-in-law?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

What is the next number in the series?

15 29 56 108 208 ?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?