Data Sufficiency

GMAT Question of the Day (July 10): Arithmetic and Sentence Correction

By - Jul 10, 02:00 AM   Comments [0]

Math (DS) and are prime integers. What is ? 1. is a prime integer 2. Question Discussion & Explanation Correct Answer - E - (click and drag your mouse to see the answer) GMAT Daily Deals e-GMAT: Up to 37%...

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GMAT Question of the Day (July 9): Probability and Sentence Correction

By - Jul 9, 02:00 AM   Comments [0]

Math (DS) The bowl contains chips of red and green color and no chips of any other color. If two chips are drawn from the basket at random without replacement, what is the probability that both chips will be green? 1. 20% of all chips in the...

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GMAT Question of the Day (July 2): Mixture Problem and Critical Reasoning

By - Jul 2, 02:00 AM   Comments [0]

Math (DS) grams of water were added to the 80 grams of a strong solution of acid. As a result, the concentration of acid in the solution became times of the initial concentration. What was the concentration of acid in the original solution? ...

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GMAT Question of the Day (June 29): Geometry and Critical Reasoning

By - Jun 29, 02:00 AM   Comments [0]

Math (DS) A rectangle is inscribed in a circle of radius 5. Is the area of the rectangle bigger than 48 ? 1. The ratio of the lengths of sides of the rectangle is 3:4 2. The difference between the lengths of sides of the rectangle is smaller...

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GMAT Question of the Day (June 22): Geometry and Sentence Correction

By - Jun 22, 02:00 AM   Comments [0]

Math (DS) If points , , , and form a quadrilateral, is longer than ? 1. 2. Question Discussion & Explanation Correct Answer - C - (click and drag your mouse to see the answer) GMAT Daily Deals e-GMAT, verbal for non-natives, is offering...

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GMAT Question of the Day (June 19): Arithmetic and Critical Reasoning

By - Jun 19, 02:00 AM   Comments [0]

Math (DS) If , what is ? 1. is an integer 2. is an integer Question Discussion & Explanation Correct Answer - E - (click and drag your mouse to see the answer) GMAT Daily Deals Get $100 off a Manhattan GMAT course (and an extra $250 bonus) with the...

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GMAT Question of the Day (June 15): Mixture Problem and Sentence Correction

By - Jun 15, 02:00 AM   Comments [0]

Math (DS) grams of water were added to 80 grams of a strong solution of acid. If as a result, the concentration of acid in the solution became times of the initial concentration, what was the concentration of acid in the original solution? 1. 2....

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GMAT Quant: How to Solve Two Equations with Two Variables

By - Jun 12, 09:00 AM   Comments [0]

Fact: If you have two variables and only one equation, in general you will not be able to solve for the individual values of the variables.  You need two separate equations in order to solve for the individual values of each of two variables. (This...

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GMAT Question of the Day (June 12): Coordinate Geometry and Sentence Correction

By - Jun 12, 02:00 AM   Comments [0]

Math (DS) At what angle do the lines and intersect? 1. 2. Question Discussion & Explanation Correct Answer - A - (click and drag your mouse to see the answer) GMAT Daily Deals Knewton Gmat: fully custom prep w/ the highest point increase guarantee in the industry. $350...

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The GMAT’s Favorite Triangles

By - Jun 8, 09:00 AM   Comments [0]

Understand the properties of the GMAT Quantitative section’s two favorite triangles!  The two special triangles are right triangles with special angles and side.  Like all right triangles, they satisfy the Pythagorean Theorem.  These two triangles are “special” because, with just a couple pieces of information, we can figure out...

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