1019 past contests
Topic 11 · Image of $c(0,-4)$ under a $90^\circ$ anticlockwise rotation about the origin
Topic 10 · Probability of an odd number greater than $4$ from $s=\{1,2,\dots,9\}$
Topic 10 · Probability of a prime number from $s=\{1,2,\dots,9\}$
Topic 10 · Probability of an even number from $s=\{1,2,\dots,9\}$
Topic 26 · Factorising $\dfrac{9x^2}{4}-\dfrac{16y^2}{25}$
Topic 26 · Factorising $\dfrac{a^2}{4}-\dfrac{b^2}{9}$
Topic 26 · Factorising $49x^2-81y^2$
Topic 32 · Riddles: the polyhedron, face, edge, vertex, prism and pyramid
Topic 35 · A rhombus is a parallelogram (true/false)
Topic 34 · A triangle has at most one obtuse angle (true/false)
Topic 35 · An equilateral quadrilateral need not be equiangular (true/false)
Topic 37 · Lines parallel or perpendicular to the same line (true/false)
Topic 9 · Finding the base $n$ when $57_n=67_{10}$
Topic 9 · Finding the base $n$ when $34_n=28_{10}$
Topic 19 · Direct variation: $y\propto x^3$ with $y=1$ when $x=-2$
Topic 19 · Inverse variation: $y\propto\dfrac{1}{x^2}$ with $y=1$ when $x=5$
Topic 34 · Triangle $abc$ where $b=2a$ and $c=a+20^\circ$
Topic 34 · Triangle $abc$ where $a=2b$ and $b=3c$
Topic 27 · Differentiating $y=3x^2-\dfrac{4}{x^2}$
Topic 27 · Differentiating $y=5x^3-4x^2+3x-10$ term by term