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Results tagged with mathematics
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user 43256
A puzzle related to mathematical facts and objects, whose solution needs mathematical arguments. General mathematics questions are off-topic but can be asked on Mathematics Stack Exchange.
5
votes
Can you find the value of the question mark$\color{red}?$
Is it
Because
Close? Not Close? Too far away? :P
- 7,500
1
vote
What does this picture represent?
Partial Solve:
Still can't find out how columns work.
CommunityBot
- 1
2
votes
Accepted
Number of Ways to Make the Paths
Here's my solution:
The first thing we notice is that
Using this idea, we see that there are
We now calculate the number of ways for this to happen:
But, we see that:
Hence, the total is
…
- 7,500
8
votes
A mathematical riddle
Partial Solution
Is the answer
Three letters can define me,
Sometimes even just one.
Try to derive the answer,
And you'll find just me.
I'm so fast, I'm so slow,
Up or down I will g …
- 7,500
56
votes
8
answers
19k
views
The Cucumber Paradox
Suppose you have 100 lbs of cucumbers and these cucumbers consist of 99% water. You decide to leave the cucumbers in the sun for a while until they consist of 98% water. You bring the cucumbers back i …
- 7,500
2
votes
A smudge in his notebook
I haven't gotten the answer yet, but here are some things I found out about:
In response to the OP's comment:
Trivia reason ahead (spoiler/hint): Lothar and his famous unsolved
conjecture are …
- 7,500
16
votes
12
answers
6k
views
Troll Addition 1 + 1 + 1 or 1 + 1 + 1 + 1 [closed]
Note the tags for this problem are mathematics and lateral thinking...hmm
Oh yeah, and btw, the question title is kinda misleading... …
- 2,374
6
votes
Accepted
Get 20160 with 5 2's and any Mathematical Operator
Uh...I don't think this'll pass as an answer but how about
Lol lucky guess.
EDIT: Apparently here: A new PSE member with square reputation the OP of this question created a bounty for my already c …
- 7,500
11
votes
Accepted
A new PSE member with square reputation
In the beginning, when he asks he gets
and then after he answers the question, he gets
so we are done!! :)
For the Bonus:
After answering he gets
and then after asking he gets
EDIT: …
- 7,500
2
votes
Accepted
-2
votes
1
answer
223
views
What is the next number in the integer sequence?
What is the next number in the following sequence?
25 27 30 34 39 45 52 60 69 79 69 60 52 45 39 34 30 26 22 18
82 78 74 70 66 67 64 60 65 80 ?
1
vote
2
answers
318
views
The Monster and the Chessboard [duplicate]
You have a standard checkerboard with 64 squares and a coin in each square, randomly facing heads or tails up. There is an evil monster in the room with you and he arbitrarily selects some square and …
- 80k