Questions tagged [calculation-puzzle]
A puzzle that involves numerical calculations, such as multiplication and addition. Use with the [mathematics] tag.
12
questions with no upvoted or accepted answers
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What does this mathematical operator do?
The solution to this puzzle is one I came up with when working on this puzzle: What is the answer of this math puzzle?
For two natural numbers a,b, can you figure ...
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10
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0
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I'm a number with a special product, so name me when you think you've got it
In the blocks that come before,
their special product tells us more.
To guess my scheme you'll need calculation,
but only little tests of recreation.
Each block contains atoms strong as Thor,
...
- 2,296
7
votes
0
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Under unusual daylight, delicate leaves rustle lightly
5th September 1964, ??:??:?? (UTC), somewhere in Romania: Under unusual daylight, delicate leaves rustle lightly, revealing bright autumn skies - Bob's set is reversed. (B > b)
How does that sum to ...
- 12.7k
4
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Find the next country and the parameters
I created this puzzle.
Denmark = [1 or 4, 11880, 1, 15, 4.433687003, 4 or 5]
India = [11803, 381024, -1, 23, 0.3706062241, 5]
New Zealand = [8916100448256 or 302875106592253, 43680, -1, 40, 0....
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Number Sequence Series-Question 7
This is a series of questions that are created by me.
Here is question 7:
(23)，(55)，(155)，(1255)，？，？，(56139611)
I will give a hint to you guys in one month if nobody can solve it.
- 329
4
votes
0
answers
245
views
Numerical puzzle
A friend of mine sent me this puzzle, to solve it you need to use:
1) basic arithmetic operations.
2) Multiple numeral systems.
- 49
3
votes
0
answers
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Merged Paris 2024 Medals Table
What happened to this Olympic Games Paris 2024 Medals Table?
Country
Gold
Silver
Bronze
Total
People's Republic of China
9
3
2
14
United States of America
5
9
5
19
France
5
5
5
15
Netherlands
5
1
...
- 6,504
3
votes
0
answers
292
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Find a missing number in this 28x21 grid
355|066|677|855|677|081|044|855|355|062|216|677|216|855|224|044|034|046|051|677|355|264|044|046|044|351|886|043
043|044|886|357|886|352|225|357|043|222|993|001|233|968|046|225|062|041|351|886|043|227|...
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2
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Do puzzles like "write 120 using four 8" have a specific name?
Here on puzzling SE there is the category "calculation puzzle", but it's very broad. I'd like to know if somebody gave a specific name for such puzzles.
- 2,095
2
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Multiple Line Lengths around 8 triangles
The image below contains 8 triangles each having side length 6.
Inside each triangles are three numbers indicating lengths of 3 lines that are wrapped around the triangle without gaps.
Numbers range ...
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2
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0
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Three planes fuel tanks for less than halfway around the world - how can one plane make it around the world and what is the minimum fuel tank size?
Inspired by this recent question here is a variation.
Three identical aeroplanes are based on an island with one airport.
Each plane can take fuel to get less than halfway around the world.
Fuel can ...
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0
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Reverse Engineering Computer Formula
A computer uses an unknown formula to create a 4 digit Output using specific Input. Here are 3 examples:
Input = 20066 : 020470 : 47 : 1 : 322267 Output = 0927
Input = 20066 : 020470 : 46 : 3 : 198684 ...
