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.

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

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

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?