Problem Solving

GMAT Question of the Day (Nov 19): Statistics and Sentence Correction

By - Nov 19, 02:00 AM   Comments [0]

Math (PS) Which set has the greatest standard deviation? I. 1, 3, 5, 7, 9 II. 2, 4, 6, 8, 10 III. 1, -1, -3, -5, -7 (A) I (B) II (C) III (D) I and II (E) none Question Discussion & Explanation Correct Answer - E - (click and drag your mouse to see the...

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GMAT Question of the Day (Nov 12): Counting and Sentence Correction

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Math (PS) In a set of numbers from 100 to 1000 inclusive, how many integers are odd and do not contain the digit "5"? (A) 180 (B) 196 (C) 286 (D) 288 (E) 324 Question Discussion & Explanation Correct Answer - D - (click and drag your mouse to see the answer) GMAT Daily...

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GMAT Question of the Day (Nov 8): Algebra and Sentence Correction

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Math (PS) If and are consecutive positive integers, and: which of the following represents all the possible values of ? (A) (B) (C) (D) (E) Question Discussion & Explanation Correct Answer - B - (click and drag your mouse to see the answer) GMAT Daily Deals Veritas Prep...

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GMAT Question of the Day (Nov 5): Counting and Sentence Correction

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Math (PS) How many times will the digit 7 be written when listing the integers from 1 to 1000? (A) 110 (B) 111 (C) 271 (D) 300 (E) 304 Question Discussion & Explanation Correct Answer - D - (click and drag your mouse to see the answer) GMAT Daily Deals Only Knewton Gmat prep gives...

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GMAT Question of the Day (Oct 31): Combinations and Critical Reasoning

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Math (PS) 4 women and 6 men work in the accounting department. In how many ways can a committee of 3 be formed if it has to include at least one woman? (A) 36 (B) 60 (C) 72 (D) 80 (E) 100 Question Discussion & Explanation Correct Answer - E - (click and...

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GMAT Question of the Day (Oct 29): Counting and Sentence Correction

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Math (PS) In how many different ways can a group of 8 people be divided into 4 teams of 2 people each? (A) 90 (B) 105 (C) 168 (D) 420 (E) 2520 Click and drag your mouse to see the answer. Question Discussion & Explanation Correct Answer - B - GMAT Daily Deals Veritas Prep: 99th...

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GMAT Question of the Day (Oct 26): Coordinate Geometry and Sentence Correction

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Math (PS) On the coordinate graph, a circle is centered at the point (3, 3). If the radius of the circle is , and there is a square inscribed into the circle cutting it into 5 regions, what is the area of the segment...

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GMAT Question of the Day (Oct 24): Counting and Critical Reasoning

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Math (PS) John has 12 clients and he wants to use color coding to identify each client. If either a single color or a pair of two different colors can represent a client code, what is the minimum number of colors needed for the coding? Assume...

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GMAT Question of the Day (Oct 22): Arithmetic and Sentence Correction

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Math (PS) A perfect number is defined as one for which the sum of all the unique factors less the number itself equals to the number. For instance, 6 is a perfect number, because the factors of 6 (apart from 6 itself) are 1, 2 and...

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GMAT Question of the Day (Oct 17): Rate Problem and Critical Reasoning

By - Oct 17, 02:00 AM   Comments [1]

Math (PS) A soccer coach riding his bike at 24 km/h reaches his office 5 minutes late. Had he traveled 25% faster, he would have reached the office 4 minutes earlier than the scheduled time. How far is his office from his house? (A) 18 km (B) 24...

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