Unanswered Questions
53 questions with no upvoted or accepted answers
4
votes
3
answers
392
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4
votes
1
answer
660
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Find next element of the sequence
Source of the question: Taken from the sub-Reddit r/askmath here: https://www.reddit.com/r/askmath/comments/15ar3ne/looking_for_the_answer_to_the_following_sequence/
What is the next element of the ...
- 4,057
3
votes
0
answers
156
views
The Mono-Quantum Condrum
You are presented with a locked box, and on its surface, you notice a sequence of peculiar symbols:
⌬ ⌅ ⊙ ⊡
Next to the symbols, there's an inscription:
...
- 147
3
votes
0
answers
283
views
3
votes
0
answers
171
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Odd one's out (sequence)
Once upon a time, there was a curious mathematician named Friedrich. One day, while exploring a new area of mathematics, he stumbled upon an intriguing sequence of numbers:
0, 1, 2, 2, 4, 3, 3, 4, 4, ...
- 53
3
votes
0
answers
314
views
Will you regret solving this puzzle?
It's February and you walk into the Smithsonian American Art Museum. A piece of artwork was recently bought for $2,061,966 USD, but you are confused that the museum bought this ugly artwork that even ...
- 1,323
3
votes
0
answers
406
views
Here's the song, now tell me the title!
You ever have it happen where you know how a song goes, but you forget its title? I've heard you guys are good at figuring stuff out for free, so I'll just drop some notes here
and let you guys do ...
- 2,389
3
votes
0
answers
7k
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The New York Time's "Letter Boxed" Puzzle (spoiler)
WARNING: I solved this puzzle and posted a solution below. I'm posting this more for muse.
Hello! I don't know if anyone's enjoyed this puzzle on The New York Times website, but I find it rather fun. ...
- 10.3k
2
votes
0
answers
164
views
Sequence of shapes with lines and dot
This is another puzzle from Lanrt-F IQ test that was posted on Reddit
https://www.reddit.com/media?url=https%3A%2F%2Fpreview.redd.it%2Fmy-favourite-2-problems-from-lanrt-f-v0-58puclks5a6d1.png%3Fwidth%...
- 16.2k
2
votes
0
answers
236
views
What does this prove? (2)
Since 30 characters is required, here's some fluff:
Illuminate Your Mind with our brand new product of ... just kidding we don't have a product lol...
Hint:
- 3,185
2
votes
0
answers
318
views
What's the missing number related to primes?
I would like to draw your attention to this mathematical sequence related to prime numbers I've created and ask what the missing number is.
2, 5, 27, 182, 2310, 27200, ______, 8998400, 223092870, ...
- 29
2
votes
0
answers
522
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Digerati IQ test
This question contains spoilers.
After making the Digerati IQ test (http://play.google.com/store/apps/details?id=cz.digerati.iqtest) there are three questions where I still don't know how they come to ...
- 10.3k
2
votes
0
answers
332
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I Need Help Solving A Riddle - Its Just An Image?
So I was in this hackathon competition where they promised the people who placed in the top 3 a lot of money and then they delayed the results two weeks. Yesterday, when they were supposed to announce ...
- 10.3k
2
votes
0
answers
244
views
How to hide coded messages in kaleidoscopes
Has anyone ever made or ever heard of making coded messages using repeating patterns or colors in kaleidoscopes? I had the idea for a project and was wondering if anyone had any experience with ...
- 3,441
1
vote
0
answers
119
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Progressive matrix puzzle with circles and dots
This item was posted on reddit and there is not a clear explanation for the solution.
https://www.reddit.com/r/cognitiveTesting/comments/1dgkakw/answer_and_explanation_please/#lightbox
- 10.3k