Deaf Conversation*

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This puzzle I found in an magazine here in Brazil (where I live). I know how to solve it and i THINK you don't know it yet. So i'm challenging you or the visitors of your site to solve it.
Thiago A. S.
One day walking in a street, Caesar meets his old math teacher. Happy to meet him, he says hello to the teacher but he doesn't remember that his teacher answers everything with a puzzle:
-- How are you doing, professor? It's been a long time since we don't meet! Are your daughters ok? How old are they now?
-- Multiplying the three ages you get 36
-- But that's not enough to know the ages!
-- So, add up the ages and you'll get the number of that house.
Caesar starts calculating, but still can't figure out. The professor seeing that he wouldn't be able to find the answer says:
-- The oldest girl plays the piano...
That's what Caesar needed to know to figure out the problem. How old is each girl?

* This puzzle is a version of the problem titled "The child with the wart" and published by Martin Gardner in his famous column in Scientific American (November, 1970), and then - in Martin Gardner's tenth puzzle book "Wheels, Life and other Mathematical Amusements."


Mini-Contest 16 - Deaf Conversation is FINISHED

It was our eighteenth mini-contest. Now we'd like to propose this contest's results and some details about the puzzle and its solution. With this Mini-Contest 18 is finished.

We thank you for your participation, and look forward to the next Mini-Contests. Happy Puzzling!

Contest Results

The winners are:
1. Jason Meyers.
2. Horst Karaschewski.
3. Marios.
4. Jensen Lai.
5. James Hardin.
6. Rui Barata.
7. Saravana Kumar.
8. A K Biju.
9. Joey Hwang.
10. Neil Myska.
11. Sharma.
12. Marcus Dunstan.
13. Sweta Singh.
14. Glenton Jelbert.
15. Prashant Chacko.
16. Sule Tutan.
17. Sandhya Kunnatur.
18. Tina Nolte.
19. Kimberly Puen.
20. Vikas Mehta.
21. Andrew Ofiesh.
22. Ian Pedder.
23. Asha Alex.
24. Vijya L R.
25. Rifat Cayirli.
26. Jeff Becker.
27. Rakesh Kumar Soni.
28. Sandeep Gupta.
29. Preggna S.
30. M Gambrel.
31. Boris Alexeev.
32. Sean Egan.
Last Updated: January 15, 2007  |  Posted: March 19, 2002
PDF Version (273 KB)

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