Which wheel of car does not rotate when you turn your car right?

What is so fragile that saying its name breaks it?

On a beautiful Sunday morning, You ordered a hot tea to your hotel room and suddenly you remember an important thing that needed to be done right now will take around 3 minutes to complete.
Like most people you like your tea to be hot while drinking so, when should you pour cream in the tea?
1. straight away
2. Just people, you drink the team
3. Its does not matter

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Why do you find that most of the buildings are deprived of the 13th floor?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

My location can be determined by the below rebus.
So where am i ?

Give it food and it will live; give it water and it will die.

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