List questions from problem-solving

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Prove that $(a-b)^n\mid (a^n-b^n) \iff n=1$ under given conditions

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Finding other point's values on a line knowing one point and distance between two others

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Regarding a Markov chain example state space $\{0,1\}$

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Every natural number in binary can be cut and added so that it is a power of $2$?

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Can you find the treasure??

Published on 15 Jan 2016 - 18:00

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how to find $t$ from $2t^2-0.01t^4=100$?

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380 is what percent less than 600?

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How to find the maximum of this function $\dfrac{(1+x+y)^2}{(1+x)(1+y)}$?

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Finding the least number of dots to add into a 10x10 grid

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Balkan Olympiad in Mathematics 2001

Published on 18 Jan 2016 - 8:24

List Question

Where did two dollars go??

Cuboid room, hooks and strings proof

Paradox of Random Natural Numbers

Prove that $(a-b)^n\mid (a^n-b^n) \iff n=1$ under given conditions

Finding other point's values on a line knowing one point and distance between two others

Regarding a Markov chain example state space $\{0,1\}$

Every natural number in binary can be cut and added so that it is a power of $2$?

Can you find the treasure??

How to simplify a problem with two variables?

how to find $t$ from $2t^2-0.01t^4=100$?

expectation half-normal distribution or expectation Truncated Normal Distribution

380 is what percent less than 600?

How to find the maximum of this function $\dfrac{(1+x+y)^2}{(1+x)(1+y)}$?

Finding the least number of dots to add into a 10x10 grid

Balkan Olympiad in Mathematics 2001

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