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All Topics Algebra Calculus Number Theory Combinatorics Applied Math
Number Theory
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Base-10 Divisibility

A checksum algorithm generates the base-10 integer $N = 458x2$, where $x$ is a …

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Combinatorics
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Combinatorial Handshakes

In a room of 12 fully connected nodes (or people), how many unique edges …

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Calculus
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Derivative at a Point

Calculate the exact value of the derivative of $f(x) = x^x$ at the point …

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Algebra
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Difference of Squares

Factorize: $$a^2 - 64$$

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Applied Math
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Expected Value

An algorithmic trading strategy has a $40\%$ probability of generating a profit of $1000$ …

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Algebra
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Fraction Simplification

Simplify completely: $$\frac{a^2-b^2}{a+b}$$

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Combinatorics
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Grid Paths

How many ways to move from (0,0) to (2,2) on a grid, only moving …

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Calculus
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Lebesgue Measure of a Region

Determine the exact area of the region bounded between the curves $y = x$ …

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Calculus
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Limit of Product

Calculate: $$\lim_{x \to 0} x \cdot \sin(x)$$

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Algebra
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Logarithmic Base Change

Calculate: $$\log_2(8) + \log_3(27)$$

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Combinatorics
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Network Handshakes

In a decentralized peer-to-peer cluster consisting of 10 nodes, every node must establish a …

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Number Theory
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Orbital Periodicity

Two celestial bodies orbit a star with periods of 12 and 18 local years, …

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Applied Math
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Portfolio Duration

Portfolio A has a duration of 4.5 and a market value of 2,000,000 USD. …

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Applied Math
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Portfolio Variance (Two Assets)

A portfolio consists of two assets. The variances are 0.04 and 0.09. The covariance …

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Number Theory
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Root Identity

Evaluate the expression: $$\frac{2}{\sqrt{2}}$$

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Algebra
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The Alpine Ascent

An alpinist hikes up a $12$ km mountain trail at a velocity of $v$ …

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Calculus
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The Chain-Product Duality

Let $f(x) = e^{2x} \sin(x)$. Evaluate the exact value of the derivative at $x …

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Algebra
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The Golden Polynomial

Determine the exact, strictly positive root of the quadratic equation: $$x^2 - x - …

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Applied Math
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The Water Lily Problem

Water lilies double daily. Full after 100 days. When was it half full?

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Applied Math
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Vertical Projectile

A mass is launched perfectly vertically upwards from the ground with an initial velocity …

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Algebra
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Vieta's Application

Let $r_1$ and $r_2$ be the roots of the polynomial equation $3x^2 - 12x …

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