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

Can it be possible to build a house that has all its four walls facing towards the South?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?

Find the next number in the series.
1 10 24 43 67 ?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking