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Archive | Problem Solving

GMAT Tuesdays with Kevin: Problem Solving – Co-Prime

Hello! 🙂 This week, we’re tackling the GMAT math through a question that a student brought up. At first, the problem seems like a plug-and-chug kind of problem. But with the help of a crucial insight, this problem can be solved much quicker! Watch the video to find out what that insight is. 🙂 Here’s […]

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Compound Interest on the GMAT

First, a few practice problems.  Remember: no calculator! 1) If $5,000,000 is the initial amount placed in an account that collects 7% annual interest, which of the following compounding rates would produce the largest total amount after two years? (A) compounding annually (B) compounding quarterly (C) compounding monthly (D) compounding daily (E) All four of […]

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