Problem Solving

GMAT Question of the Day (Feb 11): Rate Problem and Sentence Correction

By - Feb 11, 02:00 AM   Comments [1]

Math (PS) Water flows into an empty tank of 54 liters via 12 small pipes. The rate of each pipe is 1 liter per hour. However, water flows out of the tank via several big pipes at the rate of 1.5 liter per hour. If after...

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GMAT Question of the Day (Feb 7): Mixture Problem and Critical Reasoning

By - Feb 7, 02:00 AM   Comments [0]

Math (PS) If a portion of a half water/half alcohol mix is replaced with 25% alcohol solution, resulting in a 30% alcohol solution, what percentage of the original alcohol was replaced? (A) 3% (B) 20% (C) 66% (D) 75% (E) 80% Question Discussion & Explanation Correct Answer - E - (click and drag...

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GMAT Question of the Day (Feb 6): Probability and Critical Reasoning

By - Feb 6, 02:00 AM   Comments [0]

Math (PS) In preparation for the Olympics, a group of five women is participating in a 400 meter race. What is the probability that either Jenny or Sally will win this race? (A) (B) (C) (D) (E) Question Discussion & Explanation Correct Answer - C - (click and...

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GMAT Question of the Day (Feb 5): Word Problem and Sentence Correction

By - Feb 5, 02:00 AM   Comments [0]

Math (PS) A luxury liner, Queen Marry II, is transporting several cats as well as the crew (sailors, a cook, and one-legged captain) to a nearby port. Altogether, these passengers have 15 heads and 41 legs. How many cats does the ship host? (A) 3 (B) 5 (C) 6 (D)...

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GMAT Question of the Day (Feb 4): Algebra and Sentence Correction

By - Feb 4, 02:00 AM   Comments [0]

Math (PS) Gold depreciated at a rate of per year between 2000 and 2005. If 1 kg of gold cost dollars in 2001 and dollars in 2003, how much did it cost in 2002? (A) (B) (C) (D) (E) Question Discussion & Explanation Correct Answer...

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GMAT Question of the Day (Jan 29): Arithmetic and Sentence Correction

By - Jan 29, 02:00 AM   Comments [0]

Math (PS) What positive number is 224% bigger than its reciprocal? (A) 0.8 (B) 1.1 (C) 1.5 (D) 1.8 (E) 2.2 Question Discussion & Explanation Correct Answer - D - (click and drag your mouse to see the answer) GMAT Daily Deals Over 4 M students achieved educational & career goals thanks to Kaplan’s unparalleled...

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GMAT Question of the Day (Jan 28): Arithmetic and Critical Reasoning

By - Jan 28, 02:00 AM   Comments [0]

Math (PS) The sum of first consecutive odd integers is . What is the sum of all odd integers between 13 and 39 inclusive? (A) 351 (B) 364 (C) 410 (D) 424 (E) 450 Question Discussion & Explanation Correct Answer - B - (click and drag your mouse to see the...

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GMAT Question of the Day (Jan 27): Algebra and Critical Reasoning

By - Jan 27, 02:00 AM   Comments [0]

Math (PS) . What is in terms of ? (A) (B) (C) (D) (E) none of the above Question Discussion & Explanation Correct Answer - D - (click and drag your mouse to see the answer) GMAT Daily Deals Only Knewton Gmat prep gives you access to >3,400 GMAT...

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GMAT Question of the Day (Jan 17): Probability and Sentence Correction

By - Jan 17, 02:00 AM   Comments [0]

Math (PS) Two sets are defined as follows: If a number is taken from set at random and another number is taken from set at random, what is the probability that the sum of these numbers is a prime integer? (A) (B) (C) (D) (E) Question...

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GMAT Question of the Day (Jan 16): Word Problem and Sentence Correction

By - Jan 16, 02:00 AM   Comments [0]

Math (PS) With both valves open, the pool will be filled with water in 48 minutes. The first valve alone would fill the pool in 2 hours. What is the capacity of the pool if every minute the second valve admits 50 cubic meters of water...

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