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

What part of the chicken has the most feathers?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

I have an eye but still cannot see.

Who am I?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Imagine you are in a room with no windows or doors. How will you get out?

10+10 and 11+11 can give you the same answer.

Explain how?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?