1019 past contests
Topic 32 · Volume of a pyramid is $\dfrac{1}{3}bh$ (true/false)
Topic 32 · Curved surface area of a right cylinder is $2\pi rh$ (true/false)
Topic 31 · Arc length $r\theta$ for $\theta$ in radians (true/false)
Topic 9 · Riddle: an exact square whose reverse is $12^2$ and whose digit sum is divisible by $9$
Topic 31 · Sector area $\dfrac{1}{2}r^2\theta$ for $\theta$ in radians (true/false)
Topic 27 · Differentiating $y=(3+x)(4-x)$
Topic 27 · Differentiating $y=x^5+6x^4+10x^2+8$ term by term
Topic 13 · Three numbers in arithmetic progression with sum $15$ and product $45$
Topic 13 · Three numbers in arithmetic progression with sum $27$ and third minus first equal to $16$
Topic 9 · Clock time $42$ hours after eight o'clock (modular arithmetic)
Topic 9 · Clock time $63$ hours after four o'clock (modular arithmetic)
Topic 23 · Simplifying $\dfrac{x^2+7x+12}{x+4}$
Topic 9 · Finding the base $b$ for which $732-81=661$
Topic 23 · Simplifying $\dfrac{x^2-5x-6}{x-6}$
Topic 8 · Finding $\log(x^2)$ and $\log(\sqrt{x})$ from a given value of $\log(x)$
Topic 27 · Point of inflection of $y=x^3-2x+5$
Topic 8 · Solving $a^b=1$ equations via the base=1, exponent=0, and base=-1 cases
Topic 25 · Solving $12-2x\lt x+15\lt24-2x$, a compound linear inequality
Topic 35 · What bisecting diagonals guarantee about a quadrilateral (true/false)
Topic 37 · Collinearity, coplanarity and perpendicularity of points and segments (true/false)