Free GMAT & GRE Resources

Guides, video walkthroughs, and in-depth articles — all free, from 15+ years of tutoring experience.

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What GRE Score Do You Need for a Top MBA Program?

Harvard, Yale SOM, and NYU Stern's most recent MBA classes posted median GRE scores of 163-166 on each section. Here's the official class-profile data, the percentile context ETS itself publishes, and why there's no such thing as an official GRE 'total' score.

July 14, 2026

Strategy guides & tip sheets

The Data Insights 'Domination' Roadmap GMAT

A concise strategy guide covering every Data Insights question type on the GMAT — with worked examples and time-saving frameworks.

What 1,000 Students Taught Me About Beating the GMAT GMAT

10 battle-tested principles from 15+ years of tutoring — covering quant shortcuts, verbal score drivers, and the mindset shifts that separate top scorers.

Text Completion Tip Sheet GRE

A quick-reference guide to GRE Text Completion — covering structural clues, elimination strategy, and the most common trap patterns.

Coming soon

Video walkthroughs

Can you spot my error? (GMAT)

Can you spot my error? (GMAT)

A worked GMAT problem where Simon deliberately makes a common mistake — see if you can catch it before the reveal.

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Are you making this mistake on overlapping sets? (GMAT)

Are you making this mistake on overlapping sets? (GMAT)

The most common error students make on GMAT overlapping-set problems, and a simple framework to avoid it.

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3 guessing strategies on combinatorics & probability

3 guessing strategies on combinatorics & probability

When time is short and the math looks ugly, these three strategic guessing techniques can save you on test day.

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Can you solve this tricky rates problem?

Can you solve this tricky rates problem?

A rates problem that trips up most students — try it yourself, then watch the 30-second solution.

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Rates working against each other — 30-second solution

Rates working against each other — 30-second solution

When two rates oppose each other, there's a shortcut most students miss. This walkthrough shows the fast way.

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Can you solve this Algebra problem?

Can you solve this Algebra problem?

A classic algebra challenge — test your approach, then see how to solve it efficiently under time pressure.

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Rate, time, work — simultaneous

Rate, time, work — simultaneous

How to handle combined work-rate problems when multiple actors work at the same time.

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Multiple Choice Rate Problem

Multiple Choice Rate Problem

A multiple-choice rate problem with a clean shortcut — see how to eliminate wrong answers fast.

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20-second smart guess for GMAT probability

20-second smart guess for GMAT probability

When a probability question looks impossible under time pressure, this estimation technique gets you to the right answer fast.

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Quantitative Comparison — Algebra (GRE)

Quantitative Comparison — Algebra (GRE)

A GRE Quantitative Comparison walkthrough focused on algebraic expressions — learn when to plug in vs. simplify.

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Remainder Constraints Problem (GRE)

Remainder Constraints Problem (GRE)

A number-properties question testing remainder logic — a common GRE trap with a clean systematic solution.

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