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All Topics Algebra Calculus Number Theory Combinatorics Applied Math
Combinatorics
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Anagram Count

How many distinct permutations exist for the letters in the word 'NABLA'?

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Algebra
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Basic Isolation

Solve for $x$: $$6x = 2^3 \cdot \frac{1}{3}$$

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Algebra
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Binomial Expansion

Expand: $$(a+b)^2$$

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Applied Math
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Compound Interest

An investment of 10,000 USD earns 5% per year for 10 years, compounded once …

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Number Theory
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Cyclic Group Addition

In the modulo arithmetic ring $\mathbb{Z}_{17}$, compute the least non-negative residue of: $$(14 + …

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Combinatorics
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Database Composite Keys

A database table contains 8 distinct columns. How many unique composite primary keys consisting …

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Number Theory
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Divisibility by 9

What is the smallest single-digit positive integer $x$ such that the five-digit number $1234x$ …

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Calculus
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Fundamental Theorem of Calculus

Evaluate the definite integral: $$\int_0^2 3x^2 \, dx$$

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Applied Math
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Kinetic Energy

An athlete with a mass of $70$ kg sprints at a constant velocity of …

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Applied Math
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Linear Elasticity

A synthetic climbing rope stretches by $\Delta x = 0.5$ meters when subjected to …

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Calculus
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Polynomial Differentiation

Compute the first derivative of the function $f(x) = 3x^4 - 2x^2 + 7$ …

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Applied Math
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Portfolio Expected Return

A portfolio consists of two assets. Asset A has a weight of 60% and …

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Number Theory
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Prime Summation

Evaluate the sum of the first five prime numbers in $\mathbb{N}$.

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Algebra
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Rope Skipping Cadence

During a high-intensity interval, you perform $3x$ jumps in the first minute and $x …

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Combinatorics
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Server Rack Arrangement

A system administrator needs to install 5 distinct physical servers into a rack that …

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Applied Math
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Simple-Interest

An investment of 10,000 USD earns 5% per year for 10 years using simple …

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Number Theory
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Small Power Tower

Solve for $x$: $$x = 2^{2^3}$$ Hint: Is $2^{(2^3)}$ the same as $(2^2)^3$?

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Combinatorics
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The Athletic Committee

How many distinct ways can you choose a starting duo from a group of …

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Algebra
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The Symmetric Deadlift

A barbell is loaded for a $70$ kg deadlift. The olympic bar itself has …

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Applied Math
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Velocity Conversion

You travel 36 km in 60 minutes. Calculate average velocity in $m/s$.

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