I look at you, you look at me I raise my right, you raise your left. What am I?

I have teeth but i don't bite. Who Am I ?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?

Can you name some countries which do not have the alphabet 'A' in them?

Can you find the missing piece of the Porsche?

I travel all around the world but always stay in the corner. What am I?

What word begins and ends with an E, but has only one letter?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

How could a baby fall out of a twenty-story building onto the ground and live?