If √(3−2x)=√2x+1, then 4x^2= (A) 1 (B) 4 (C) 2 − 2x (D) 4x − 2 (E) 6x − 1 Correct Answer: E Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of practice questions, explanations for GMAT Official Guide questions, and strategies on […]
If √(3−2x)=√2x+1, then 4x^2= Read the Full Article »
The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers? (A)
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GMAT Tutor Andrew Geller at Home with GMAT Online Read the Full Article »
What is the median number of employees assigned per project for the projects at Company Z? (1) 25 percent of the projects at Company Z have 4 or more employees assigned to each project. (2) 35 percent of the projects at Company Z have 2 or fewer employees assigned to each project. A. Statement (1)
The number line shown contains three points R, S, and T, whose coordinates have absolute values r, s, and t, respectively. Which of the following equals the average (arithmetic mean) of the coordinates of the points R, S, and T? A. s B. s + t – r C. (r – s – t)/3 D.
