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New posts in Contest Math
Bounds on $S = \frac{1}{1001} + \frac{1}{1002}+ \frac{1}{1003}+\dots+\frac{1}{3001}$
May 10, 2021
All real numbers $(p,q)$ such that $|\sqrt{1-x^{2}}-p x-q| \leq \frac{\sqrt{2}-1}{2}$ holds for every $x \in[0,1]$
May 10, 2021
If $m$ and $n$ are reversed numbers (like $123$ and $321$) and $m * n = 1446921630$ , find $(m+n)$.
May 09, 2021
Suppose $f(x)-f(y)=h(g(x)-g(y))$, then $h$ is linear?
May 09, 2021
Partition 100 people, 4 from each country into 4 groups with conditions
May 09, 2021
How to prove that the points $E, F, G$ are collinear
May 09, 2021
Probability problem from CMU contest prep course
May 09, 2021
Easy way to see that $(x^2 + 5x + 4)(x^2 + 5x + 6) - 48 = (x^2 + 5x + 12)(x^2 + 5x - 2)$?
May 09, 2021
Finding the number of real zeros for the equation $11^x + 13^x + 17^x-19^x=0 $
May 09, 2021
Indian National Olympiad $2000$ Problem $6$
May 09, 2021
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