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Which day of the week is being asked for?: Which day of the week was the 100th day of the year before Mr. Meier's birth?
spektrum.de/raetsel/welcher-wochentag-ist-gesucht/2266203

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Which number is being sought?: Which value must be substituted for x?
spektrum.de/raetsel/welche-zahl-ist-gesucht/2238937

Everyday riddles: How powerful is one horsepower?: Horsepower was introduced as a unit of measurement in the late 18th century. DEIN SPIEGEL explains what power ...
spiegel.de/deinspiegel/raetsel-des-alltags-wie-stark-ist-eine-pferdestaerke-a-5f9241f8-6312-4b6d-aa5c-9c7f64244463

Which value is being sought?: Which value is definitely included in the sums and products?
spektrum.de/raetsel/welcher-wert-ist-gesucht/2304068

Which number is being sought?: Which positive integer fulfills these conditions?
spektrum.de/raetsel/welche-zahl-ist-gesucht/2306095

Everyday mysteries: Why some countries drive on the left: Why do the British, Australians, and Indians drive on the left and we drive on the right? DEIN SPIEGEL ...
spiegel.de/deinspiegel/raetsel-des-alltags-warum-herrscht-in-manchen-laendern-linksverkehr-a-9dce17a2-07fa-4a2b-8409-378f83aa90ed

Which numbers are we looking for?: How can the value of a and b be determined?
spektrum.de/raetsel/welche-zahlen-sind-gesucht/2264210

Which place is being sought?: Which place in Germany has this unique feature?
spektrum.de/raetsel/welcher-ort-ist-gesucht/2265267

What value is being sought?: How many steps of the escalator would the manager have to climb if it didn't move?
spektrum.de/raetsel/welcher-wert-ist-gesucht/2266202

What value are we looking for?: How large is the sum if the numbers can be placed at the intersection points such that their sum is the same on every circle?
spektrum.de/raetsel/welcher-wert-ist-gesucht/2266246

What time are you looking for?: At what time will the trains pass each other?
spektrum.de/raetsel/welche-uhrzeit-ist-gesucht/2266253

Hemme's mathematical puzzle: Which value are you looking for?: How many four-digit numbers satisfy these conditions?
spektrum.de/raetsel/welcher-wert-ist-gesucht/2266516

Hemme's mathematical puzzle: Which value are we looking for?: What is the fifth term of the arithmetic sequence?
spektrum.de/raetsel/welcher-wert-ist-gesucht/2266533

Interview: How these TU mathematicians want to take away the fear of mathematics.
falter.at/zeitung/20250902/wie-tu-mathematiker-michael-drmota-und-dirk-praeto

Paid articlePaywallPuzzle with Eder: Which numbers are we looking for?: Tricky sequence of numbers - | which numbers are we looking for?
spektrum.de/raetsel/welche-zahlen-sind-gesucht/2085291

Hemme's mathematical puzzle: Who earned more?: Which of the two men earned more money in 2024?
spektrum.de/raetsel/wer-bekam-mehr-gehalt/2266976

Everyday riddle: Why can some birds learn to speak?: Budgies and beos can imitate human speech. How does it actually work? And which bird is the most gifted ...
spiegel.de/deinspiegel/raetsel-des-alltags-warum-koennen-manche-voegel-sprechen-lernen-a-801c93b6-d18a-4b60-9b52-f19540c455a7

Hemme's mathematical puzzle: What amount is wanted?: How many thalers does the younger brother receive?
spektrum.de/raetsel/welcher-betrag-ist-gesucht/2205685

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