What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

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

I always drive my customer away.

Who am I?

Take away the whole and some still remain. What is it?

Why do Chinese men eat more rice than Japanese men do ?

What is the word or phrase?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?