What number when divided in half becomes zero?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

John was piloting a plane behind a car but was never able to overtake it. Why?

Which city is three-fifths chick two third cat and 50% goat?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

If you say my name, I will no longer exist. What am I?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?