This week's maths problem

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Problem of the week

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On Friday of each week we will post a new maths challenge.
You may submit your solution by the following Thursday.
Each problem contains two different levels of difficulty. You will be awarded from 2 to 12 points for a full answer.
Each series contains 12 problems before the stage winner is determined.
Your score will be published here.

In each series we will give away 3 books as prices. The prices will be drawn by lot among the best ten participants of the series. The books are kindly sponsored by Buchdienst Rattei of Chemnitz.

Suggestions for problems are welcome.

Deadline is 24nd of September 2020.


German version - Italian version - French version - Spanish version  Hungarian Version Russian version  

Series 55

problem 649

Logic puzzle
Maria read a book about the capitals of Europe, wasn’t very attentive and thought about her last holiday in 2019. She became friends with five girls (Dana, Frieda, Lena, Ronja und Salome). Everyone of them slept on another hotel floor (first, second, third, fourth, fith and sixth). The room numbers were 11, 12, 13, 14, 15 and 16. Every floor did have another color (red, green, blue, yellow, grey and orange.)

  1. Frieda‘s floor was red.. Salome, whose room number was about 2 bigger than the one of Maria, lived further down than Frieda.
  2. The girl from the fifth floor lived in room 14.
  3. The sixth floor was grey. Ronja, who didn’t live on the sixth floor, had room number 13.
  4. Lena slept on the fourth floor.
  5. Dana did not have room number 12.
  6. The girl from room 16 did not live on the first floor.
  7. The girl from room 15 slept on the orange floor.
  8. The yellow floor was directly above the blue floor.

Who lived on which floor (number and color) and had which room number? 6 blue points

Name

room number

floor

color

Maria

     

Dana

     

Frieda

     

Lena

     

Ronja

     

Salome

     

Now Maria had to look back at her book again. Maria read the chapter about Athen, Berlin, Paris, Prague and Madrid. At the beginning of the chapter (pages: 11, 29, 33, 41 and 57) was a nice photo. There was even written who did the photos. There were the names Alfons, Greta, Helena, Jana and Leo, and there surnames: Astor, Holland, Menger, Sonne and Titan.

  1. The photo from Athen could be found before the photo of the photographer Alfons Holland. The page number of his photo could not be divided by 3.
  2. Helena had taken a picture of Paris.
  3. Jana‘s photo, it wasn’t Berlin, was not on page 33.
  4. Greta, who wasn’t named “Sonne”, took the photo on page 11.
  5. On page 29 was the photo of Madrid.
  6. The surname Astor could be read on page 41, but it was not from the photographer named Leo.
  7. Under the picture from Prague stood the name Titan.

Who (name and surname) did take a photo of which city? On which pages could the pictures be found? 6 red points

city

page

name

surname

Athen

     

Berlin

     

Paris

     

Prague

     

Madrid

     

 

-> Enigma <--

https://www.schulmodell.eu/images/stories/mathe/horst/raetsel.php

 


Send your solutions to Diese E-Mail-Adresse ist vor Spambots geschützt! Zur Anzeige muss JavaScript eingeschaltet sein!, if your answer contains attachments.

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You can also send a paper copy of your solution as long as it is postmarked on or before the deadline.
adress:
Thomas Jahre
Stollberger Strasse 25
09119 Chemnitz
Germany


Links:

http://www.wurzel.org/

https://www.facebook.com/ArchimedesLab

http://people.missouristate.edu/lesreid/potw.html

post address:

Thomas Jahre
Chemnitzer Schulmodell
Stollberger Straße 25
09119 Chemnitz
Deutschland/Germany
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