1019 past contests
Topic 24 · Inverse variation: the number of men needed to paint a house in $15$ days instead of $12$
Topic 24 · Inverse variation: $15$ workers build a road in $40$ days, so how long do $6$ workers take?
Topic 7 · Negating universal and existential statements
Topic 13 · Next two terms of $5,\ 7,\ 10,\ 14,\ 19,\ \ldots$
Topic 13 · Next two terms of $3,\ 8,\ 13,\ 18,\ \ldots$
Topic 13 · Next two terms of $30,\ 29,\ 27,\ 24,\ 20,\ \ldots$
Topic 37 · Do any three points lie in a common plane? (true/false)
Topic 37 · Do three points generally lie on one line? (true/false)
Topic 37 · Do two intersecting lines lie in a common plane? (true/false)
Topic 35 · Riddles: the quadrilateral family
Topic 24 · Work rates: adamu takes $3$ days and asare takes $5$ days, working together
Topic 24 · Work rates: a farmer and his son together take $20$ days and the farmer alone takes $36$ days
Topic 24 · Work rates: kofi and ama together take $10$ days and ama alone takes $15$ days
Topic 10 · Two girls given at least one girl among two children
Topic 10 · Two girls given that the older child is a girl
Topic 39 · Solving $\sin^2(x)=\dfrac{1}{4}$ for $x$ in $0^\circ$ to $180^\circ$
Topic 39 · Solving $\tan^2(x)=1$ for $x$ in $0^\circ$ to $180^\circ$
Topic 39 · Solving $\cos^2(x)=\dfrac{1}{4}$ for $x$ in $0^\circ$ to $180^\circ$
Topic 44 · Intercepts of a line in slope-intercept form $y=mx+c$
Topic 44 · Intercepts of a line in intercept form $\dfrac{x}{a}+\dfrac{y}{b}=1$