Data Sufficiency

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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GMAT Question of the Day (June 8): Absolute Values (Modulus) and Sentence Correction

By - Jun 8, 02:00 AM   Comments [1]

Math (DS) Is Question Discussion & Explanation Correct Answer - E - (click and drag your mouse to see the answer) GMAT Daily Deals Kaplan GMAT Prep provides nearly 6000 test questions and exercises to practice with! Save $400 via GMAT Club! Vocaz specializes in positioning engineers strategically within the...

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GMAT Question of the Day (June 7): Geometry and Critical Reasoning

By - Jun 7, 02:00 AM   Comments [0]

Math (DS) Water evaporates at the rate of two liters per hour per one square meter of surface. How long will it take to evaporate 30 liters of water from a swimming pool full of water with vertical walls and a flat bottom that holds 56...

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GMAT Math: Special Properties of the Line y = x

By - Jun 4, 09:00 AM   Comments [0]

The 45º angle Fact: All lines with slopes of 1 make 45º angles with both the x- and y-axes. Conversely, if a line makes a 45º angles with either the x- of y-axes, you know immediately its slope must be . This first fact is true, not only...

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