If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

I have Rs.50 and I spend it in the way as below.

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

Identify Me

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

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Client Dempsey living in one of the East Coast states of the U.S. was talking to Landon Donovan, who was living in the West Coast state of the U.S.

Dempsey: What time is it?
Donovan: Wow, It is the same time here.

How is this possible?

Which Burger Is Different in below image?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

I’m orange, I wear a green hat and I sound like a parrot. What am I?