1019 past contests
Topic 11 · Image of $(3,-2)$ under $(x,y)\mapsto(2x+3y,\ x-2y)$
Topic 39 · Solving $(\tan x-1)(\tan x+\sqrt3)=0$ for $0\lt x\lt\pi$
Topic 19 · Solving $(x-1)(x+2)\gt4$
Topic 13 · Common difference of a linear sequence with terms $2x-3$, $x+7$ and $15-x$
Topic 8 · Solving an exponential equation of the form $x^x=a^b$
Topic 19 · Constants $p$ and $q$ when $px^2+qx-8\lt0$ has solution set $-2\lt x\lt4$
Topic 27 · Stationary point of $y=\sqrt{x^2+25}$
Topic 13 · Common ratio of a geometric sequence with terms $x+1$, $x$ and $x-2$
Topic 39 · Solving $2\cos x+\sqrt3=0$ for $\dfrac{\pi}{2}\lt x\lt\pi$
Topic 26 · Constants in $a(x-3)^2+b(x-3)+c\equiv2x^2-5x-12$
Topic 10 · Committee of three men and two women from four men and three women (second contest)
Topic 1 · Locus of $p(x,y)$ when $2x\mathbf{i}+y\mathbf{j}$ and $x\mathbf{i}-2y\mathbf{j}$ are perpendicular (speed race)
Topic 26 · Difference of two squared binomials, $(2x+3y)^2-(3x-2y)^2$
Topic 10 · Probability of exactly one head in three tosses of a coin with $p(h)=\dfrac{5}{8}$
Topic 25 · Simultaneous equations $4x^2-y^2=63$ and $2x-y=7$ by difference of squares
Topic 47 · Cartesian equation from $x=3\cos\theta+5$, $y=3\sin\theta-7$
Topic 19 · Solving absolute value equations such as $|x^2-3x|=4$
Topic 45 · Line of reflection when $(1,2)$ maps to $(2,1)$
Topic 19 · Compound inequalities such as $1\lt x^2-3\lt33$
Topic 19 · Vertex of $y=3x^2-6x+7$