*What are real-life math problems?*

*What are the funniest word problems?*

*What are the shortest word problems?*

*What are the most difficult word problems?*

*What are the best word problems?*

Math and logic word problems. Here my preferred word problems go:

**Practical:**

How many tennis balls can fit in a school bus?

A goldfish need 1000 cubic inches of water to live in.
An aquarium is 20 inches in diameter.
How many fish can live in an aquarium?

**Funny:**

1 costs $10; 20 costs $20. How much does 100 cost?

99% of nuts and 99% of a nut cost as much as all nuts. How many nuts are there?

At least two Londoners have the same number of hair. Correct?

80% of IT projects fail, and 20% of managers are female. How many male managers succeed?

**Short:**

Does clock hands overlap 22 times in 24h?

How many zeros are at the end of 99!?

Make 33 by using three 3s and any signs.

**Difficult:**

Six Millennium Prize Problems set by the Clay Mathematics Institute have yet to be solved.

http://en.wikipedia.org/wiki/List_of_unsolved_problems_in_mathematics

**The Best:**

**Short + Funny + Practical + Difficult = Best**

My preferred math and logic word problems are at www.aplusclick.org

The latest collection of the best free A+Click Puzzles are at Apple App Store