Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Why do we preferably have round manhole covers and not square ones?

Can you name an animal whose killing cannot be performed without spilling your own blood?

When is the top of a mountain similar to a savings account?

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?

A man dies of old age on his 25 birthday. How is this possible?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable