Andrew Geller

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A set of 15 different integers has median of 25 and a range of 25. What is greatest possible integer that could be in this set?

(A) 32 (B) 37 (C) 40 (D) 43 (E) 50 Ready of a GMAT statistics puzzle? Foggy on median and range? Go back to the GMAT basics! Get this fundamental GMAT content down backwards and forwards so that you can focus on the critical thinking portion of the exam. What is Median? Median is the […]

A set of 15 different integers has median of 25 and a range of 25. What is greatest possible integer that could be in this set? Read the Full Article »

A certain library assesses fines for overdue books as follows. On the first day that a book is overdue, the total fine is $0.10. For each additional day that the book is overdue, the total fine is either increased by $0.30 or doubled, whichever results in the lesser amount. What is the total for a book on the fourth day it is overdue?

A certain library assesses fines for overdue books as follows. On the first day that a book is overdue, the total fine is $0.10. For each additional day that the book is overdue, the total fine is either increased by $0.30 or doubled, whichever results in the lesser amount. What is the total for a

A certain library assesses fines for overdue books as follows. On the first day that a book is overdue, the total fine is $0.10. For each additional day that the book is overdue, the total fine is either increased by $0.30 or doubled, whichever results in the lesser amount. What is the total for a book on the fourth day it is overdue? Read the Full Article »

A survey was conducted to determine the popularity of 3 foods among students. The data collected from 75 students are summarized as below

A survey was conducted to determine the popularity of 3 foods among students. The data collected from 75 students are summarized as below 48 like Pizza 45 like Hoagies 58 like tacos 28 like pizza and hoagies 37 like hoagies and tacos 40 like pizza and tacos 25 like all three food What is the

A survey was conducted to determine the popularity of 3 foods among students. The data collected from 75 students are summarized as below Read the Full Article »

The number of stamps that Kaye and Alberto had were in the ratio of 5:3 respectively. After Kaye gave Alberto 10 of her stamps, the ration of the number of Kaye had to the number of Alberto had was 7:5. As a result of the gift, Kaye had how many more stamps than Alberto?

The number of stamps that Kaye and Alberto had were in the ratio of 5:3 respectively. After Kaye gave Alberto 10 of her stamps, the ration of the number of Kaye had to the number of Alberto had was 7:5. As a result of the gift, Kaye had how many more stamps than Alberto? (A)

The number of stamps that Kaye and Alberto had were in the ratio of 5:3 respectively. After Kaye gave Alberto 10 of her stamps, the ration of the number of Kaye had to the number of Alberto had was 7:5. As a result of the gift, Kaye had how many more stamps than Alberto? Read the Full Article »

The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A

The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A. GMAT Explanation, Video Solution, and Additional Practice! The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A present and inversely proportional to the concentration of chemical B

The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A Read the Full Article »