I shave every day, but my beard stays the same. What am I?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

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?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

I am sure no one can have two things for dinner. what are they?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?