What is the Surname of Barbie Doll?

There is something which you can be arrested for attempting but not for successfully completing.

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

How can you take 2 from 5 and leave 4?

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

Akbar summoned Birbal out of anger.
He told him that he will have to face death.
He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions.
After hearing Birbal’s statement, Akbar could do nothing but smile.
He gave him 5 gold bars and let him go.

What did Birbal say?

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?