Unanswered Questions
53 questions with no upvoted or accepted answers
6
votes
0
answers
89
views
1
vote
1
answer
189
views
Puzzle with crosses and boxes
This is a question asked from a Reddit user
https://www.reddit.com/r/iqtest/comments/1drjv9i/what_do_you_think/#lightbox
- 39
5
votes
0
answers
185
views
The sound of the end of the world
What is the sound of the end of the world? The answer is hidden in this maze.
- 301
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
1
vote
0
answers
119
views
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
6
votes
0
answers
255
views
Visual puzzle involving mathematical operations
Try this puzzle. It involves mathematical operations. Created on my own.
CSV (for those who aren't able to see images):
...
- 2,423
5
votes
0
answers
223
views
"PRI" puzzle with line drawings, including some shapes
This is a "PRI" puzzle that was posted on a reddit question. https://www.reddit.com/r/cognitiveTesting/comments/1btdot2/has_anyone_got_any_hard_pri_puzzles/
- 10.3k
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
4
votes
0
answers
333
views
Lucas's interesting cipher
Lucas was fooling around with some letters when he encoded some text into Gsobj lwmtkd sbceugb vfy rgdjb.. Can you figure out the original text he had?
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
5
votes
0
answers
265
views
Longest Fibonacci word
Fibonacci words are defined as $F_0 = a, F_1 = b, F_{n+2} = F_nF_{n+1}$ where $a, b$ are letters. How can you find the longest Fibonacci sub-word in a given string?
Try to solve it in linear time ($O(...
- 151
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
9
votes
0
answers
309
views
Dreamcatcher Puzzle
I created this puzzle as part of a set of puzzles about good wishes for a wedding. Does it work?
- 252
5
votes
0
answers
264
views
Connect dots on a grid with one continuous line (optimization)
(This question is the third puzzle of the Connect dots puzzle series. You can find the first two puzzles here and here, respectively.
The original question and photos originate from webadventurer. ...
- 1,163
4
votes
1
answer
660
views
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