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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.

3 votes

Maximise Steve's step counter reset process

Here is the best I got so far EDIT I just found a much better way
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3 votes

Maths Make It True

Assuming the 2- is actually 20...
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5 votes

Inductive or Deductive Reasoning

You just need to reverse the process to get back the original values
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3 votes

We are 5 different numbers

Here is what I got so far The product of us is an odd number. The sum of us is a cube number. The product of us is a cube number.
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1 vote

Can the idiot's route be less expensive than the genius' route?

Long live the idiot! EDIT
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0 votes

A test of Survival

For 1 vs 1 For 3 players
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2 votes
Accepted

Pipe and socket problem

Here is the best I could come up with up for now with the little information we can get from each comparison.
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1 vote

Numbers at the corners of concentric squares

Here is my solution
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11 votes
1 answer
2k views

When math and english collide!

Here is an easy one for you all folks! 121201221 = easy 12121022222211012 = ??? Understand how the first statement is true so you may figure out what ??? is in the second statement might be. HINT …
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0 votes

N pirates on ship

It seems that
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2 votes
4 answers
178 views

Symbols and ones [closed]

Here is an easy one. Enjoy! Can you find a way to make the following expression false by only changing the order of the symbols? 1+1-1÷1x1=1
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1 vote

Arrange numbers to the equations, so if we turn the equations upside down, they are still right

Here is the answer
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1 vote

Fruity system of equations

I tried many things, even lateral thinking and this equation simply cannot work, even by changing a fruit for (X,+,-,...) or even by changing the * symbol for another one. The only way it works tha …
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8 votes
Accepted

Messages I sent

Not so many days. EDIT:
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3 votes

How many minutes is it before 12 noon?

Here is my sample solution
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