Is there a systematic way to solving how many triangles can be found in an image? We found 29, but the answer is incorrect. - Quora
https://archive.ph/2t7jN

Is it true that Heidegger's philosophy was allied with Nazism? - Quora
https://archive.ph/KyRob

Is the conjecture correct that every even number greater than 2 can be represented as the sum of the digit sums of two prime numbers? - Quora
https://archive.ph/ItxmN

If the “one-way” speed of light hasn’t yet been measured and we can just affirm the average 2-way speed of light for all points & perspectives is what measures c, what does that mean for ancient nighttime stars we see, that light’s not from long ago? - Quora
https://archive.ph/GPqdo

What is the most difficult mathematical discipline encountered so far? What are the complexities and intricacies? What are strategies to cope with them? - Quora
https://archive.ph/AYTx7